Polydatin
[化] 虎杖苷
🗣️ 情景例句
He's working with me during the summer months as an intern.
在夏天的这几个月到我这里来当实习生。
The houses downtown are very expensive.
市区的房子很贵。
We need to make some changes in this contract.
这份契约有几个地方需要修改。