Polyenanthoamide
聚庚酰胺
🗣️ 情景例句
We have 5 international patents which we are ready to sell.
我们有五项国际专利可以出售。
If he doesn't stay, who will?
如果他不，谁要留下？
Nothing but death can part the couple.
除了死之外，什么也拆不散这一对。