柯林斯詞典chemical warfare 1. N warfare in which chemicals other than explosives are used as weapons, esp warfare using asphyxiating or nerve gases, poisons, defoliants, etc 化學(xué)戰(zhàn) 返回 chemical warfare劍橋詞典the use of poisonous gases and other harmful chemicals against enemy forces 化學(xué)戰(zhàn) 返回 chemical warfare