Area of three river sources continuously shrinking_科学技术

Area of three river sources continuously shrinking

文章来源：文章作者：发布时间：2007-03-31 05:34 字体： [大中小]　进入论坛

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Chinanews, Xining, Mar¹. 30 – Recently, the Meteorological Bureau of Qinghai revealed that the area of the sources of the three great rivers was continuously shrinking, which indicated the environmental condition around the regions was deteriorating² seriously.

Qinghai Province is located in the northeastern part of Qinghai-Tibetan Plateau, which is the origin of the Yangtze River, the Yellow River, and the Lancang River. Human activities in the area have worsened the problem.

The bureau has monitored the area through materials, which gatered by satellite also provide proof of the deterioration³. Compared with statistics of 2005, the area of the Zhaling and Eling lakes has been shrunken by 24.87 sq km and 16.62 sq km respectively. Statistics also find that the area of Qinghai Lake，which had enlarged by 9.95 sq km in the flood season, and has shrunken by 10.07 sq km in the recent low water season.

Fu Yang, an expert from Meteorological Research Institute of Qinghai, pointed⁴ out the area of sources of the three rivers has been deteriorating for years.

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收听单词发音

1 mar
vt.破坏，毁坏，弄糟
参考例句：
It was not the custom for elderly people to mar the picnics with their presence.大人们照例不参加这样的野餐以免扫兴。 Such a marriage might mar your career.这样的婚姻说不定会毁了你的一生。

2 deteriorating
恶化，变坏( deteriorate的现在分词 )
参考例句：
The weather conditions are deteriorating. 天气变得越来越糟。 I was well aware of the bad morale and the deteriorating factories. 我很清楚，大家情绪低落，各个工厂越搞越坏。

3 deterioration
n.退化；恶化；变坏
参考例句：
Mental and physical deterioration both occur naturally with age. 随着年龄的增长，心智和体力自然衰退。 The car's bodywork was already showing signs of deterioration. 这辆车的车身已经显示出了劣化迹象。

4 pointed
adj.尖的，直截了当的
参考例句：
He gave me a very sharp pointed pencil.他给我一支削得非常尖的铅笔。 She wished to show Mrs.John Dashwood by this pointed invitation to her brother.她想通过对达茨伍德夫人提出直截了当的邀请向她的哥哥表示出来。

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