defoliant是什么意思

n.<美>脱叶剂,落叶剂

1. The government used defoliants to strip the leaves off plants in order to expose enemy hiding spots.
政府使用了除草剂来剥去植物的叶子，以便揭露敌人的藏匿地点。
2. The effects of the defoliant on the environment are still being studied.
对环境的脱叶剂影响仍在研究中。

除草剂；消叶剂；脱叶剂