defoliant是什么意思 defoliant的用法 defoliant怎么读
defoliant
英 [diː'fəʊlɪənt]美 [,di'folɪənt]
n. （美）[农药] 落叶剂；[农药] 脱叶剂
中文词源
defoliant 落叶剂
de-, 夺去，损毁。foliage, 叶子。用来指落叶剂。
英语词源
defoliant (adj.)
1943, from defoliate + -ant.
权威例句
1. The crash had spilled a noxious defoliant into the planet's ecology, ravaging the native flora.
这次坠毁将一种有害的落叶剂洒入星球的生态系统中, 破坏着当地的植物群.
来自互联网
2. Defoliant: Chemical dust or spray applied to plants to cause their leaves to drop off prematurely.
落叶剂: 落叶剂是一种化学粉剂或喷洒剂,施于植物以使树叶提早掉落.
来自互联网
[ defoliant 造句 ]
