Dichlorodiethyl
sulphide[化]二氯二乙硫醚,芥子气
🗣️ 情景例句
I happened to meet her on the bus.
我凑巧在公共汽车上碰见她。
Fools rush in where angels fear to tread.
智者裹足不前，愚者铤而走险。
Last Tuesday he received a letter from the local police.
上星期二他收到当地警察局的一封信，