害虫的英文：
injurious insect
pest

参考例句：

The weevil is a shiny, cylindrical beetle
象甲科害虫是一种发光的圆柱形甲虫。

The mountain bark beetle is a familiar pest in the forests of British Columbia.
山树皮甲虫是不列颠哥伦比亚省森林里常见的害虫。

The Mediterranean fruit fly commonly called Medfly, is one of the world's most destructive agricultural pests.
地中海实蝇(Mediterranean fruit fly)通常简称为Medfly，是世界上最具破坏性的农业害虫之一。

Often very annoying weeds, goldenrods crowd out less hardy plants and act as hosts to many insect pests.
黄菊花通常令人生厌，它挤走不那么顽强的植物，并找来很多害虫。

To rid of vermin.
驱除害虫，消灭害虫

A locust is a kind of destructive insect.
蝗虫是一种害虫。

Dirt harbors vermin.
污物藏害虫。

riddance of household pests.
除掉家里的害虫

Ecoclimate forecasting of pests
害虫生态气候预测

A room alive/crawling with vermin
有害虫的房间.

injurious是什么意思：
a. 有害的

The injury invalided him for life.
那伤使他终生残废。

blunt force injury
钝器伤

Internal injuries is not easy to cure.
内伤不容易治愈。

insect是什么意思：
n. 昆虫

A locust is a kind of destructive insect.
蝗虫是一种害虫。

This spray will finish off the insects.
这种喷雾剂能杀死这些虫子。

Do you know the distribution of insects?
你知道昆虫的分类吗？

pest是什么意思：
n. 瘟疫，鼠疫；害虫，害人虫

Pest risk analysis includes pest risk assessment and pest risk management.
有害生物风险分析包括有害生物风险评估和有害生物风险管理。

That disobedient boy is a pest.
那不听话的男孩令人讨厌。

The potato is vulnerable to several pests.
马铃薯易受几种害虫的侵害。