橙剂是一种强效落叶剂。Agent orange is a powerful defoliator.争论的核心针对有毒落叶剂的问题.The debate focused on the issue of poisonous leaf - falling agents.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.The crash had spilled a noxious defoliant into the pl...

“落叶剂”的英语可以翻译为：defoliant ...