以下就是GRE红宝书中遗漏的单词：
lucrative adj. 赚钱的，有利可图的(profitable;remunerative)
[记]词根记忆：lucr(看作lucre钱财)+ative→赚钱的
[例]Burdened by debt, Lydgate abandons his dreams of reforming medicine to take a conventional but lucrative practice in London.
[同]advantageous, gainful, profitable, remunerative
ludicrous adj. 荒唐可笑的(so foolish as to cause disrespectful laughter)
[记]词根记忆：lud(玩)+icrous→闹着玩的→可笑的
[例]Although his attempts to appear psychotic were so clumsy as to be almost ludicrous , there is evidence that Ezra Pound was able to avoid standing trial for treason merely by faking symptoms of mental illness.
[同]laughable, comic, comical, droll, farcical
lugubrious adj. 悲哀的(mournful);忧郁的(dismal)
[例]Much of the clown’s success may be attributed to the contrast between the lugubrious manner he adopts and the general hilarity that characterizes the circus.
[同]melancholy, dolesome, dolorous, lamentable, plaintive
luminous adj. 发光的(emitting or reflecting usually steady, suffused, or glowing light);发亮的(of or relating to light or to luminous flux);光线亮的(bathed in or exposed to steady light);明白易懂的(clear, enlightening);有光泽的(shining, illustrious)
[记]词根记忆：lumin(光)+ous→发光的
[例]Although supernovas are among the most luminous of cosmic events, these stellar explosions are often hard to detect, either because they are enormously far away or because they are dimmed by intervening dust and gas clouds.
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。
>>点击查看gre词汇下载专题，阅读更多相关文章！
-
如何两个月拿下GRE？
每年都有无数小伙伴在纠结一个问题，两个月备考GRE到底够不够？事实上，全身心准备的话，完全够了。下面我们一起来看看如何备考，有哪些值得我们学习呢？
- GRE的文章源于哪里?
- GRE考前冲刺复习做到这5点提分最有效
- 2017年GRE考试报名开始啦！最新考试时间官方公布快来抢考位
- ETS官网查不了GRE分数怎么办？