Polyazin
[医] 多氮化合物
🗣️ 情景例句
He said I should call him.
他说我可以打电话给他。
I went to sleep immediately and slept soundly all night.
我很快地入睡了并且整夜酣睡。
Excuse me, please. Where's the nearest men's room?
劳驾，离这儿最近的男厕所在哪儿？