Dichlorodiethyl
sulphide[化]二氯二乙硫醚,芥子气
🗣️ 情景例句
I go camping in the mountains to enjoy the fresh air.
我去山中宿营以享受新鲜的空气。
A good example is the best sermon.
身教胜似言教。
Thank you.
谢谢。