defoliant
英 [di?'f??l??nt]
美[,di'fol??nt]
- n. （美）[農(nóng)藥] 落葉劑；[農(nóng)藥] 脫葉劑
GRE
詞態(tài)變化
復(fù)數(shù):?defoliants;
中文詞源
defoliant 落葉劑
de-, 奪去，損毀。foliage, 葉子。用來(lái)指落葉劑。
英文詞源
- defoliant (adj.)
- 1943, from defoliate + -ant.
雙語(yǔ)例句
- 1. The crash had spilled a noxious defoliant into the planet's ecology, ravaging the native flora.
- 這次墜毀將一種有害的落葉劑灑入星球的生態(tài)系統(tǒng)中, 破壞著當(dāng)?shù)氐闹参锶?
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- 2. Defoliant: Chemical dust or spray applied to plants to cause their leaves to drop off prematurely.
- 落葉劑: 落葉劑是一種化學(xué)粉劑或噴灑劑,施于植物以使樹葉提早掉落.
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