Dichlorodiethyl
sulphide[化]二氯二乙硫醚,芥子气
🗣️ 情景例句
We talk about him at dinner time.
我们吃晚餐时总谈起他。
When did you graduste?
你什么时候毕业的？
How can we set up an account with you?
如何才能跟你们设立记帐户头呢？