Calcarea
[医] 钙质纲
🗣️ 情景例句
Yes. It's the anniversary of one of our important revolutionary movements.
是的。它是中国一个重大革命运动的纪念日。
Do you know the boy whose aunt is an artist?
你知道那男孩的姑妈是艺术家?
Would you like to leave a message?
你要留话吗？