Polyazin
[医] 多氮化合物
🗣️ 情景例句
Do you think so?
真的这么认为？
A good appetite is a good sauce.
饥不择食。
If the Houses of Parliament had not been burned down in 1834, the great clock would never have been erected.
如果不是国会大厦在1834年被焚毁的话，这座大钟永远也不会建造。