以下就是GRE红宝书中遗漏的单词：
latitude n. 言行自由(freedom of opinion, conduct, or action);纬度(an imaginary line around the Earth parallel to the equator)
[记]词根记忆：lati(阔)+tude→纬度
[例]Even though in today's Soviet Union the leaders of the Muslim clergy have been accorded power and privileges, the Muslim laity and the rank-and-file clergy still have little latitude to practice their religion.
lave vt. 为沐浴，洗(wash,bathe);慢慢冲刷(to flow along or against)
[记]词根记忆：lav(洗)+e→洗浴
lavish adj. 浪费的(expending profusely);丰富的(profuse)
[例]The commission of inquiry censured the senator for his lavish expenditure of public funds, which they found to be unjustifiable.
legislate vt. 立法(to mandate, establish, or regulate by or as if by legislation)
[记]词根记忆：legisl(法律)+ate→制定法律
legitimate adj. 合法的(lawful);正当的(reasonable;legal)
[记]词根记忆：legitim(合法)+ate→合法的
lenient adj. 宽大的(not harsh or severe);仁慈的(merciful, clement)
[例]Paradoxically, Helen, who had been a strict mother to her children, proved a lenient mistress to her cats.
lethal adj. 致命的(fatal or deadly)
[记]词根记忆：leth(死，僵)+al→致命的
[例]Natural selection tends to eliminate genes that cause inherited diseases, acting most strongly against the most severe diseases; consequently, hereditary diseases that are lethal would be expected to be very rare, but, surprisingly, they are not.
[同]mortiferous, pestilent
上面这些单词已经标注了一些记忆法和例句，希望能帮助考生快速记住。
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