Dichlorodiethyl
sulphide[化]二氯二乙硫醚,芥子气
🗣️ 情景例句
Just got back. It's good to see you both again.
刚刚回来。真幸运再次见到你们二位。
Since we need the goods urgently, we must insist on express shipment.
由于我方急需这批货物，我方坚持使用快递装运。
Yes, it is.
是的。