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depression[di'pre?n]n。 忧愁;洼地;低气压;不景气

例句 Southern people obtained water by collecting and storing rainwater in sealed depressions。 南方人通过在封闭的洼地里蓄积雨水来获得水源。

要点 depression平时多用作“不景气,萧条;沮丧”等词义,但在托福阅读中也出现过这个单词作为“洼地”的用法。

deprive[di'praiv]v。 使失去,剥夺

搭配 deprive of 剥夺,失去

例句 1。 They have the same length as the daily activity cycles of animals that are not deprived of the influence of external environment。 他们与动物的日常活动周期相同,都受外部环境的影响。

2。 When deprived of water; this kind of flower will die soon。 这种花如果缺水,很快就会死去。

description[di'skrip?n]n。 描写,形容;种类;性质

例句 Maturation of the frontal lobes of the brain is important for the long…term memory of motor activities but it doesn't work for verbal descriptions。 大脑额叶的发育成熟对肌动活动的长期记忆很重要,但对言语表达不起作用。

desirable[di'zai?r?bl]a。 值得想望的;值得拥有的;有利的

例句 1。 The more sophisticated societies became; the better they could influence desirable occurrences through ritualized theater。 社会变得越是复杂,越是能通过仪式化的剧场表演影响着事件向所愿的方向发展。

2。 Streams flowed where nature intended them to and water…driven factories had to be built on the river banks whether or not the location was desirable for other reasons。 溪流所经之处由大自然而定,因此无论这个选址是否可取,水力工厂都必须建在河岸上。

diameter[dai'?mit?r]n。 直径

例句 1。 The negatively charged region is several hundred meters thick and several kilometers in diameter。 带负电的区域有几百米厚,直径有几千米。

2。 The channel is only a few centimeters in diameter; but it is wide enough for electrons to follow the chan

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