priority n.①在前②优先权
同 1.antecedent 2.preference, greater importance
Getting food to the famine victims is a priority for the relief workers.
为饥荒难民提供食物是救灾人员的首要工作。
quiescent adj.安静的
同still, motionless, fixed, stationary
Stan stared for hours at the quiescent scene of the Japanese rock garden.
斯坦盯着这座宁静的日本岩石花园看了好几个小时。
random adj.随便的；无目的的
同casual, haphazard, fortuitous, unplanned
It was hard to find the CD I wanted because the store clerks had put all the CDs in random order.
想找到我要的CD很困难，因为店员没有按顺序摆放所有的CD。
retrospect n.回顾
同reminiscence, reflection, remembrance, review
This movie is a retrospect on the life of Sun Yat-sen.
这部电影回顾了孙中山先生的一生。
reverberate v.回响；回荡
同 echo, rebound, resound, recoil
The music coming from the great organ reverberated through the entire church.
大风琴传出的音乐响彻了整个教堂。
sanitary adj.卫生的
同hygienic, clean, sterilized, germfree, safe
Hospitals must keep everything sanitary to prevent the spread of germs.
医院里所有的东西都必须保持卫生，以杜绝病菌滋生。
sever v.切断
同 separate, cut off, cleave
The road workers accidentally severed a water pipe.
马路工人不小心切断了一条水管。
smudge n.污点
同 smear, soil, blotch, stain
You have a smudge of chocolate on your shirt.
你的衬衫上有一块巧克力的污渍。
squander v.浪费
同 waste, dissipate
Kevin was broke because he had squandered all his money gambling.
凯文破产了，因为他把所有的钱都浪费在了赌博上。
