星火英语·大学英语词汇：星火式巧记·速记·精练（4级）词汇表

sustainable sustain retention retain maintenance maintain mailbox e-mail mail magnetism magnetic magnet magical magic mechanism mechanics mechanical mechanic machinery machine unlucky lucky luck lover lovely beloved love aloud loud loosen loose loss lose overlook outlook look prolong longitude lengthy lengthen length long location locate local unload overload download load vivid survivor survival survive livelihood lively living alive live liquor liquify liquid profile file linen underline outline online deadline line preliminary eliminate limited limitation limit likewise likely unlike alike dislike like enlighten lightning lighten highlight sunlight daylight light gravity grave relief relieve elevator elevate shoplift lift liar lie deliberate delivery deliver liberty liberal liberate liberation literature literary illiterate literate literacy literally literal letter outlet inlet let dialectic dialect lecture learning learned learn incline decline lean liable religious religion oblige obligation colleague league mislead leading leadership leader lead relay delay layout lay-off layman layer lay release relax lax legislator legislation illegal legal lawyer unlawful lawful in-law law laughter laughable laugh lately last latter latest later late largely enlarge large mainland landscape landlord inland land laboratory elaborate collaborate well-known acknowledge knowledge know knit knot laptop kneel lap knee mankind kindness kind shopkeeper housekeeper keep adjust justify just jury prejudice judge enjoyable enjoy joy journalist journalism journal journey conjunction junction joint conjoin join jewel inventor invention invent semiconductor reduction reduce induce education educate deduct conductor conduct introduction introduce abrupt interrupt interpreter interpretation interpret interference interfere disinterested uninterested interesting interested interest sexual sex segment sector section insect instruction instruct structure construction construct destructive destruction destroy