Calcene
胶质碳酸钙, 白艳华(补强剂)
🗣️ 情景例句
I've been working too hard. I'm beat.
我工作的太多，我快垮了。
We tried in vain to make him change his mind.
我们试图使他改变他的主意，但白费力气。
Yes, please.
好的，请放一些。