Polydatin
[化] 虎杖苷
🗣️ 情景例句
I have a heavy class load this term.
这个学期我的功课很重。
How many pieces are you going to order?
你要订几张？
Oh, yes, Mr. Chou. We've been looking forward to this.
啊，周先生，我们一直在等着您来。