Calcium metabolism
[医] 钙代谢
🧩 词语组成解析
🗣️ 情景例句
Right.
好的。
Work has a bitter root but sweet fruit.
劳动根虽苦，然而果实甜。
The only thing to do was ask them to come half an hour later than the other guests.
唯一的办法就是请他们比别的客人晚来半小时。