单词：defoliant
音标：[di:'fәuliәnt] ；
n. 脱叶剂, 落叶剂
[化] 脱叶剂
[化] 脱叶剂
n. a chemical that is sprayed on plants and causes their leaves to fall off
词型变化：名词复数形式 : defoliants
考试类型：[GRE]
考试类型：[GRE]
词性分布：
defoliant的用法和样例：
词汇搭配
- cotton defoliant棉花脱叶剂
- chemical defoliant化学脱叶剂
- systemic defoliant内吸落叶剂