n. 有害的人或物( pest的名词复数 );害虫;害兽;害鸟
网络 有害生物; 害虫种类; 目标害虫
They are called pests.
我们叫它们害虫。
These mice are pests.
这些老鼠是害虫。
They are pests.
它们是害虫。
These new crops must also be more resistant to drought, heat and pests.
这些新作物还必须具有更强的耐旱、耐热和抗虫害能力。
There would be no weather-related crop failures due to droughts, floods or pests.
不会发生干旱、洪水或害虫导致与天气相关的农作物歉收的现象。