橙劑是一種強(qiáng)效落葉劑。Agent orange is a powerful defoliator.爭(zhēng)論的核心針對(duì)有毒落葉劑的問題.The debate focused on the issue of poisonous leaf - falling agents.這次墜毀將一種有害的落葉劑灑入星球的生態(tài)系統(tǒng)中, 破壞著當(dāng)?shù)氐闹参锶?The crash had spilled a noxious defoliant into the pl...