Calsil
硅酸钙盐
🗣️ 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 view was terrific.
景色美极了。
May I propose that we break for coffee now?
我可以提议休息一下，喝杯咖啡吗？