Spermidine
亚精胺
🗣️ 情景例句
I see. By the way, how many people are working in your factory now?
哦，我知道了。顺便问一下，现在贵厂有多少在职职工？
You are younger than I am.
你比我年轻。
We welcome the seasons by the riverside,
我们在河边迎接一年四季。