defoliant t脱叶磷;脱叶剂
cotton defoliant棉花脱叶剂
Deleaf Defoliant脱叶亚磷
chemical defoliant[农药] 化学脱叶剂
def defoliant脱叶磷
defoliant poisoning脱叶剂中毒
systemic defoliant内吸落叶剂
N-MASS（集合名词） A defoliant is a chemical used on trees and plants to make all their leaves fall off. Defoliants are especially used in war to remove protection from an enemy. 脱叶剂