I

I, ice, idea, ideal, identical, identify, idle, if, ignorant, ignore, ill, illegal, illness, illustrate¹, image, imagination, imagine, immediate², immense, immigrate³, immune, impact, impartial⁴, impel⁵, implicit⁶, imply, import, importance, important, impossible, impression, improve, impress, impulse, in, incentive⁷, incident, incline, include, income, increase, increasingly, incredible, indeed, independent, indicate, indication, indifferent, indirect, individual, indoors, induce, industrial, industrious⁸, industry, inevitable⁹, infancy¹⁰, infect, infer, infinite, inflation, influence, inform, informal, information, ingredient, inhabitant, initial, injure, injury, inner, innocent, innovate¹¹, input¹², inquire, insect, inside, insight, insist, inspect, inspire, install, instance, instant, instead, instinct, instruction, instrument, insult, intelligence, intelligent, intend, intense, intensive, intention, interact, interest, interesting, interior, intermediate, internal, international, Internet, interrupt, interview, intimate, into, introduce, introduction, invade, invent, invest, investigation¹³, investment, invite, involve, irritate, isolate¹⁴, issue, Italian, Italy, item, itself, its.

J

Jack¹⁵, jacket, jam, January, Japan, jet, job, joke, journal, journey, joy, judge, judgement, July, jump, June, junior, just ((注意该词的跨词类用法)), justice, justify¹⁶

K

Keen, keep (注意该词的短语), key, keyboard, kick, kidney, kill, kind, kitchen, knife, knit, knock, know, knowledge

L

Lab, labor¹⁷, lack, lag, land, landlord, landscape, language, large, largely, last, late, lately, later, latter, launch, law, lawful¹⁸, lay, layer, lazy, lead, leader, leading, lean, learn, least, leave, lecture, left, legal, legend, leisure, lend, length, less, lesson, let (注意该词的短语), letter, level, liable, liberal, liberty, liberate¹⁹, library, license²⁰, lie, life, lift, light, lighten, like, likelihood, likely, limitation, line, link, liquid, list, listen, literal, literally²¹, literature, little, live (注意该词的短语), lively(注意该词是形容词), living, load, loan, local, located, lodge²², logic²³, London, lonely, long, look (注意该词的短语), loose, lose, loss, lot, loud, love, lovely(注意该词是形容词), low, lower, loyal, lucky, luck, luggage, lunch, lung, luxury.

M

Machine, machinery²⁴, mad, magazine, magic, magical, magnetic, magnificent, mail, mainland, mainly, maintain, maintenance, major, majority, make(注意该词的短语), male, manage, management, manager, manipulate, mankind, manner, manual, manufacture, many, March, march, marginal, mark, market, marriage, marry, marvelous, mass, massive, master, match, material, mathematics, matter, mature, maximum, May, maybe, may, me, meal, mean, meaning, means, meantime, meanwhile, measure, mechanical, medical, medicine, medium, meet, meeting, member, memory, men, mend, mental, mention, menu, merchandise, mere²⁵, merely, merit, merge²⁶, mess, merry, message, metal, method, Mexican, mid²⁷, middle, might, mighty²⁸, migration²⁹, mild, mile, military, milk, million, mind, mineral, minimum, minor³⁰, minute, miracle, mirror, miserable³¹, missing, mission, mistake, misunderstand, mix, mobile, mock, model, moderate, modern, modest, modify, moment, Monday, money, monitor, month, monthly, mood, moon, moral, more, moreover, morning, most, mostly, mother, motherland, motive³², mount, mountain, mouth, move, movement, much, multiple, murder, muscle, museum, music, musical, must, mutual³³, myself, mysterious.

N

Naked, name, namely, narrow, nation, national, native, natural, naturally, nature, naughty, near, nearby, nearly, neat, necessarily, necessary, need, negative, neglect, neighbor, neither, nervous, net, network, never, nevertheless, new, news, newly, newspaper, nest, nice, night, no, nobody, noise, nosy³⁴, none, nor, normal, normally, north, notable, note, noted³⁵, nothing, notice, notify, noticeable, novel, November, now, nowadays, nuclear, number, numerous, nurse, nut.

O

Obey, object, objective, obligation, observe, obstacle, obtain, obvious, occasion, occasional, occupy, occupation, occur, ocean, October, odd, of, off, offend, offer, office, official, often, old, on, once, one, oneself, ongoing³⁶, only, open, openly, operate, operation, opinion, opportunity, opposite, optimistic, option, orange, order, ordinary, organ, organization, organize, origin, original, other, otherwise, ought, outcome, outer, outline, output, outlook, outside, outstanding, over, overall, overcome, overtime³⁷, owing, own, owner, oxygen.