Jack, 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, justify

　　K

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

　　L

　　Lab, labor, lack, lag, land, landlord, landscape, language, large, largely, last, late, lately, later, latter, launch, law, lawful, 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, liberate, library, license, lie, life, lift, light, lighten, like, likelihood, likely, limitation, line, link, liquid, list, listen, literal, literally, literature, little, live (注意该词的短语), lively(注意该词是形容词), living, load, loan, local, located, lodge, logic, 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, machinery, 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, mere, merely, merit, merge, mess, merry, message, metal, method, Mexican, mid, middle, might, mighty, migration, mild, mile, military, milk, million, mind, mineral, minimum, minor, minute, miracle, mirror, miserable, 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, motive, mount, mountain, mouth, move, movement, much, multiple, murder, muscle, museum, music, musical, must, mutual, myself, mysterious.