Azide
n. [化]叠氮化物
🗣️ 情景例句
When would we have to move?
什么时候我们得搬家？
How much is it by air mail?
航空信要多少钱？
There are eighteen floors in the building, and he lives on the fifteenth floor.
这幢大楼有18层。他住在第15层。