短语词组短語mustard -gas cloud 芥子氣雲distilled mustard gas 蒸餾芥子氣;蒸餾芥子氣英語mustard gas keratitis 芥子氣角膜炎Nitrogen mustard gas 鹽酸氮芥;氮芥子氣mustard gas safety clothing 芥子氣保安衣mustard gas resistance 抗芥子氣mustard gas K 芥子氣 返回 mustard gas