Calcarea
[医] 钙质纲
🗣️ 情景例句
I understand, Richard.
我懂了 ，Richard。
Don't bother your father now, he is very tired.
现在别拿这个去烦你爸，他很累了。
'Hi, Elizabeth,' Nigel answered.
“你好，伊丽莎白，”奈杰尔回答说，