defoliate
UK/di:'fәulieit/US
GREC2
释义
v.
To strip the leaves from a plant or area, especially with chemicals
使(植物/地区)落叶,剥除叶子(尤指用化学剂)
词根拆分
词根派生de-(去除)+ foli(叶)+ -ate(动词)= 「把叶子取走」。无论是风暴、昆虫还是化学剂所为,结果都一样:植物被剥得光秃无叶。
词根 foli 还连着 5 个词为什么是这个意思
这个词既指自然脱叶也指人为脱叶:风暴和害虫能使树木落叶,但它最常出现在军事和农业语境中,指喷洒化学剂除叶——例如把丛林脱叶以暴露敌方阵地。正是这种战争用途,让相关名词 defoliant 显得分量很重。
常用搭配
- 1.defoliate a forest使森林落叶
- 2.defoliate trees使树木落叶
- 3.defoliate crops使作物落叶
例句
- 1.
The caterpillars can completely defoliate an oak tree in days.
这些毛虫几天内就能把一棵橡树的叶子啃光。
- 2.
Chemicals were used to defoliate the forest during the war.
战争期间,人们用化学剂使森林落叶。
- 3.
A severe drought defoliated much of the orchard.
严重的旱灾使果园大片落叶。