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defoliant

英 /diːˈfəʊliənt/美 /diːˈfoʊliənt/
  • n.
    （美）[农药] 落叶剂；[农药] 脱叶剂
复数defoliants
IELTS

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。
  2. I had worked for nearly a year in a rubber plantation area sprayed with the toxic defoliant Agent Orange.
    我还在一个橡胶园的地区工作了接近一年，那里到处喷洒着橙剂，是一种有毒的脱叶剂。
  3. Through statistical observation of falling leaves, a more ideal formula of the defoliant was developed.
    并且通过对落叶规律的观察统计，筛选出比较理想的悬铃木落叶剂配方。

网络短语

  • Deleaf Defoliant
    脱叶亚磷
  • pre-harvest defoliant
    收获前落叶剂
  • Ortho-phosphate defoliant
    脱叶磷
  • chemical defoliant
    化学脱叶剂
  • cotton defoliant
    棉花脱叶剂

同根词

adj.
defoliated落叶的
n.
defoliation落叶，去叶；[植] 脱叶
defoliator去叶剂；食叶虫
v.
defoliated使…落叶；除掉…的叶子（defoliate的过去分词）

英英释义

  • n.a chemical that is sprayed on plants and causes their leaves to fall off

词源

  • defoliant落叶剂
    de-, 夺去，损毁。foliage, 叶子。用来指落叶剂。