Enteramine
血清素, 5-羟色胺
🗣️ 情景例句
I know the company well. It's big.
这家公司我很清楚。是大公司。
I'd like to know some information about the current investment environment in your country?
我想了解一下贵国的投资环境。
Yes, they're ours.
是我们的。