Polycalcium
多种钙
🗣️ 情景例句
Aren't you excited about that?
你不感到兴奋吗？
My brother gets up later than I do.
与我做比，我的兄弟晚起床。
It has never been explained why university students seem to enjoy practical jokes more than else.
谁也弄不清为什么大学生好像比任何人都更喜欢恶作剧。