defoliant
GRE
英 [diː'fəʊlɪənt]
美[,di'folɪənt]
释义
n. （美）[农药] 落叶剂；[农药] 脱叶剂
词态变化
复数: defoliants;
中文词源
defoliant 落叶剂de-, 夺去，损毁。foliage, 叶子。用来指落叶剂。
英文词源
- defoliant (adj.)
- 1943, from defoliate + -ant.
双语例句
- 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
英英释意
- 1. a chemical that is sprayed on plants and causes their leaves to fall off
实用场景例句
- 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.
期刊摘选
- 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.
期刊摘选
