Hn2
[化] 氮芥; 二·甲基胺; 二氯乙基·甲基胺
🗣️ 情景例句
You can see many posters that are put up before the movie opens.
每部电影首映前你都会看到铺天盖地的海报。
And so, I'd like to proceed to the next stage.
所以，我要进行下一阶段了。
Shut the door, please.
请把门关上。