复数： defoliants

Agent orange is a powerful defoliant .

橙剂是一种强效落叶剂。

Agent orange is a defoliant that was used during the vietnam war era and known to cause cancer and other serious illnesses .

橙剂是一种脱叶剂，曾在越战期间使用，已知会致癌和其他严重疾病。

During the vietnam war , thousands of hectares of forest were destroyed with chemical defoliant .

越战期间，数千公顷的森林被化学落叶剂摧毁了。

The u.s. army says it is looking into a report that drums of the vietnam war-era toxic defoliant agent orange were buried at an american military facility in south korea 33 years ago .

美国陆军表示，正在调查一则关于一些越南战争时期使用的有毒落叶剂“橙剂”33年前被埋在韩国的一处美军设施地下的报导。

Litigation about agent orange , a defoliant and herbicide used by american forces in the vietnam war , has provided the most extensive judicial discussion of toxic causation .

关于药剂橙的立法，已经提供了最广泛的有毒物质因果关系的司法讨论。