Polyazin
[医] 多氮化合物
🗣️ 情景例句
Good. Tell Mr. Gao at the factory to keep up the good work.
很好，请告诉工厂的高先生继续努力。
If you want knowledge, you must toil for it.
若要求知，必须刻苦。
It is beside a park.
它位于公园的旁边。