Polyazin
[医] 多氮化合物
🗣️ 情景例句
OK, let's go around the table.
好 ，让我们顺着桌子来。
Do you ever go swimming on the weekend?
你曾经在周末去游泳吗？
It is because in the modern world, English is very widely used for business between different countries.
这是因为在现今世界，英语广泛应用于国与国之间的贸易往来。