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pest词根

这些名词均含“虫,昆虫”之意。

pest词根

bug: 指小昆虫,尤指吸血的臭虫,也可指细菌。

insect: 含义广泛,多指蚂蚁、黄蜂、蝉等等。

pest: 指有害的昆虫或有害的小动物。

worm: 侧重指蚯蚓、蚕、毛虫等小而无骨的虫。

名词 pest:

a serious (sometimes fatal) infection of rodents caused by Yersinia pestis and accidentally transmitted to humans by the bite of a flea that has bitten an infected animal同义词:plague, pestilence, pestis

any epidemic disease with a high death rate同义词:plague, pestilence

a persistently annoying person同义词:blighter, cuss, pesterer, gadfly

any unwanted and destructive insect or other animal that attacks food or crops or livestock etc.

例句:

That child is an absolute pest!那孩子讨厌极了!

Stores of grain are frequently attacked by pests.储存的谷物经常受到害虫的破坏。

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