casual a.偶然的；随便的；临时的；非正式的 n.临时工人；便装
【真题再现】Waitresses are often treated by customers as casual acquaintances.
那服务员通常被顾客当作很随意的熟人来对待。
【CET-6,2007.12，阅读】
【联想记单词】联想：usual（平时）→平时可以穿非正式（casual）的衣服→casual随便的；临时的
【活学活用】-During part-time,I do a casual job to enrich myself.
-空的时候，我做临时工来充实自己。
（翻译反白可见哦，Ctrl+A即可~）去做劫匪了
。
comprehension n.理解，理解力
【真题再现】The BBC dictionary is intended to help listeners develop their listening comprehension skills.
BBC词典的目的是帮助听众提高听力理解能力。
【CET-6,1996.06，阅读】
【联想记单词】词根词缀：comprehend （v.理解；包含）+ion（n.）→理解力
【活学活用】-Your behavior is beyond my comprehension!!
-我无法理解你的行为！！
（翻译反白可见哦，Ctrl+A即可~）
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