defoliant是什麼意思 defoliant的用法 defoliant怎麼讀
defoliant
英 [diː'fəʊlɪənt]美 [,di'folɪənt]
n. (美)[農藥] 落葉劑;[農藥] 脱葉劑
中文詞源
defoliant 落葉劑
de-, 奪去,損毀。foliage, 葉子。用來指落葉劑。
英語詞源
defoliant (adj.)
1943, from defoliate + -ant.
權威例句
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系統中, 破壞着當地的植物羣.
來自互聯網
2. Defoliant: Chemical dust or spray applied to plants to cause their leaves to drop off prematurely.
落葉劑: 落葉劑是一種化學粉劑或噴灑劑,施於植物以使樹葉提早掉落.
來自互聯網
[ defoliant 造句 ]