（一）生物类：
chlorophyll 叶绿素
amino acids 氨基酸
protein 蛋白质
nitrogen 氮
photosynthetic(adj.) photosynthesis(n.) 光合作用
botany植物学
botanist1 植物学家
lichen2 地衣,苔藓
fungus(pl. fungi3 ) 菌类
algae(pl. alga) 海藻
bacterium(pl.bacteria) 细菌
organism 有机物
rodent4 啮齿类动物
primate5 灵长类动物
mammal 哺乳类动物
reptile6 爬行类动物
predator7 捕食者
prey8 被捕食者
aquatic9 水生的
artery10 动脉
vein11 静脉
fingernail 指甲
scale 鳞片
claw 爪子
horn 角
nourish 滋养,供给....营养
clam12 蚌
crab13 虾
beaver14 狸
pond 池塘
puddle15 水坑
snail16 蜗牛
shrimp17 虾
hormone18 荷尔蒙
intestine19 肠
corn 谷物
squash 南瓜
bean 豆类植物
nectar花蜜
pollen20花粉
hive 蜂巢
moss21 苔藓
hibernate22 冬眠
penguin23 企鹅
reef 礁
coral 珊瑚
beak24 鸟嘴
enzymes25 酵母
larvae26 幼虫
tadpole27 蝌蚪
caterpillar28 毛虫
grasshopper29 蚱蜢
toad30 蟾蜍
herbicide 除草剂
secretion(n.) secrete(v.) 分泌
pancreas 胰腺
odor 气味
roe 鱼卵
caviar 鱼子酱
raccoon 浣熊
gland 腺体
cricket 蟋蟀
点击  收听单词发音
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1
botanist
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| n.植物学家 |
参考例句： |
- The botanist introduced a new species of plant to the region.那位植物学家向该地区引入了一种新植物。
- I had never talked with a botanist before,and I found him fascinating.我从没有接触过植物学那一类的学者，我觉得他说话极有吸引力。
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2
lichen
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| n.地衣, 青苔 |
参考例句： |
- The stone stairway was covered with lichen.那石级长满了地衣。
- There is carpet-like lichen all over the moist corner of the wall.潮湿的墙角上布满了地毯般的绿色苔藓。
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3
fungi
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| n.真菌，霉菌 |
参考例句： |
- Students practice to apply the study of genetics to multicellular plants and fungi.学生们练习把基因学应用到多细胞植物和真菌中。
- The lawn was covered with fungi.草地上到处都是蘑菇。
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4
rodent
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| n.啮齿动物；adj.啮齿目的 |
参考例句： |
- When there is a full moon,this nocturnal rodent is careful to stay in its burrow.月圆之夜，这种夜间活动的啮齿类动物会小心地呆在地洞里不出来。
- This small rodent can scoop out a long,narrow tunnel in a very short time.这种小啮齿动物能在很短的时间里挖出一条又长又窄的地道来。
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5
primate
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| n.灵长类（目）动物，首席主教；adj.首要的 |
参考例句： |
- 14 percent of primate species are highly endangered.14%的灵长类物种处于高度濒危状态。
- The woolly spider monkey is the largest primate in the Americas.绒毛蛛猴是美洲最大的灵长类动物。
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6
reptile
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| n.爬行动物；两栖动物 |
参考例句： |
- The frog is not a true reptile.青蛙并非真正的爬行动物。
- So you should not be surprised to see someone keep a reptile as a pet.所以，你不必惊奇有人养了一只爬行动物作为宠物。
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7
predator
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| n.捕食其它动物的动物；捕食者 |
参考例句： |
- The final part of this chapter was devoted to a brief summary of predator species.本章最后部分简要总结了食肉动物。
- Komodo dragon is the largest living lizard and a fearsome predator.科摩多龙是目前存在的最大蜥蜴，它是一种令人恐惧的捕食性动物。
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8
prey
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| n.被掠食者，牺牲者，掠食；v.捕食，掠夺，折磨 |
参考例句： |
- Stronger animals prey on weaker ones.弱肉强食。
- The lion was hunting for its prey.狮子在寻找猎物。
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9
aquatic
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| adj.水生的，水栖的 |
参考例句： |
- Aquatic sports include swimming and rowing.水上运动包括游泳和划船。
- We visited an aquatic city in Italy.我们在意大利访问过一个水上城市。
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10
artery
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| n.干线，要道；动脉 |
参考例句： |
- We couldn't feel the changes in the blood pressure within the artery.我们无法感觉到动脉血管内血压的变化。
- The aorta is the largest artery in the body.主动脉是人体中的最大动脉。
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11
vein
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| n.血管，静脉；叶脉，纹理；情绪；vt.使成脉络 |
参考例句： |
- The girl is not in the vein for singing today.那女孩今天没有心情唱歌。
- The doctor injects glucose into the patient's vein.医生把葡萄糖注射入病人的静脉。
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12
clam
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| n.蛤，蛤肉 |
参考例句： |
- Yup!I also like clam soup and sea cucumbers.对呀！我还喜欢蛤仔汤和海参。
- The barnacle and the clam are two examples of filter feeders.藤壶和蛤类是滤过觅食者的两种例子。
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13
crab
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| n.螃蟹，偏航，脾气乖戾的人，酸苹果；vi.捕蟹，偏航，发牢骚；vt.使偏航，发脾气 |
参考例句： |
- I can't remember when I last had crab.我不记得上次吃蟹是什么时候了。
- The skin on my face felt as hard as a crab's back.我脸上的皮仿佛僵硬了，就象螃蟹的壳似的。
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14
beaver
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| n.海狸，河狸 |
参考例句： |
- The hat is made of beaver.这顶帽子是海狸毛皮制的。
- A beaver is an animals with big front teeth.海狸是一种长着大门牙的动物。
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15
puddle
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| n.(雨)水坑，泥潭 |
参考例句： |
- The boy hopped the mud puddle and ran down the walk.这个男孩跳过泥坑，沿着人行道跑了。
- She tripped over and landed in a puddle.她绊了一下，跌在水坑里。
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16
snail
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| n.蜗牛 |
参考例句： |
- Snail is a small plant-eating creature with a soft body.蜗牛是一种软体草食动物。
- Time moved at a snail's pace before the holidays.放假前的时间过得很慢。
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17
shrimp
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| n.虾，小虾；矮小的人 |
参考例句： |
- When the shrimp farm is built it will block the stream.一旦养虾场建起来，将会截断这条河流。
- When it comes to seafood,I like shrimp the best.说到海鲜，我最喜欢虾。
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18
hormone
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| n.荷尔蒙，激素，内分泌 |
参考例句： |
- Hormone implants are used as growth boosters.激素植入物被用作生长辅助剂。
- This hormone interacts closely with other hormones in the body.这种荷尔蒙与体內其他荷尔蒙紧密地相互作用。
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19
intestine
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| adj.内部的；国内的；n.肠 |
参考例句： |
- This vitamin is absorbed through the walls of the small intestine.这种维生素通过小肠壁被吸收。
- The service productivity is the function,including external efficiency,intestine efficiency and capacity efficiency.服务业的生产率是一个包含有外部效率、内部效率和能力效率的函数。
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20
pollen
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| n.[植]花粉 |
参考例句： |
- Hummingbirds have discovered that nectar and pollen are very nutritious.蜂鸟发现花蜜和花粉是很有营养的。
- He developed an allergy to pollen.他对花粉过敏。
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21
moss
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| n.苔，藓，地衣 |
参考例句： |
- Moss grows on a rock.苔藓生在石头上。
- He was found asleep on a pillow of leaves and moss.有人看见他枕着树叶和苔藓睡着了。
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22
hibernate
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| v.冬眠，蛰伏 |
参考例句： |
- Bears often hibernate in caves.熊常在山洞里冬眠。
- Some warm-blooded animals do not need to hibernate.一些温血动物不需要冬眠。
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23
penguin
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| n.企鹅 |
参考例句： |
- The penguin is a flightless bird.企鹅是一种不会飞的鸟。
- He walked with an awkward gait like a penguin.他走路的步子难看得就像企鹅。
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24
beak
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| n.鸟嘴，茶壶嘴，钩形鼻 |
参考例句： |
- The bird had a worm in its beak.鸟儿嘴里叼着一条虫。
- This bird employs its beak as a weapon.这种鸟用嘴作武器。
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25
enzymes
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| n. 酶，酵素 |
参考例句： |
- It was said that washing powders containing enzymes remove stains more efficiently. 据说加酶洗衣粉除污更有效。
- Among the enzymes which are particularly effective are pepsin, papain. 在酶当中特别有效的是胃朊酶、木瓜酶。
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26
larvae
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| n.幼虫 |
参考例句： |
- Larvae are parasitic on sheep.幼虫寄生在绵羊的身上。
- The larvae prey upon small aphids.这种幼虫以小蚜虫为食。
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27
tadpole
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| n.[动]蝌蚪 |
参考例句： |
- As a tadpole changes into a frog,its tail is gradually absorbed.蝌蚪变成蛙，它的尾巴就逐渐被吸收掉。
- It was a tadpole.Now it is a frog.它过去是蝌蚪，现在是一只青蛙。
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28
caterpillar
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| n.毛虫，蝴蝶的幼虫 |
参考例句： |
- A butterfly is produced by metamorphosis from a caterpillar.蝴蝶是由毛虫脱胎变成的。
- A caterpillar must pass through the cocoon stage to become a butterfly.毛毛虫必须经过茧的阶段才能变成蝴蝶。
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29
grasshopper
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| n.蚱蜢，蝗虫，蚂蚱 |
参考例句： |
- He thought he had made an end of the little grasshopper.他以为把那个小蚱蜢干掉了。
- The grasshopper could not find anything to eat.蚱蜢找不到任何吃的东西。
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30
toad
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| n.蟾蜍，癞蛤蟆 |
参考例句： |
- Both the toad and frog are amphibian.蟾蜍和青蛙都是两栖动物。
- Many kinds of toad hibernate in winter.许多种蟾蜍在冬天都会冬眠。
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