Calcene
胶质碳酸钙, 白艳华(补强剂)
🗣️ 情景例句
Can I see it?
我可以看吗？
I would like to welcome you once again.
我向你们再次表示欢迎。
Yes.He must remain in bed for another two days.
是的，他还必须卧床两天。