Dmf.
[医] 恒牙龋总数(率)
🗣️ 情景例句
Sit down, sit down. Have some coffee.
请坐， 请坐。喝点咖啡。
Harry fears the worst.
哈里害怕最恶劣的事态。
He came out of the library, a large book under his arm.
他夹着本厚书，走出了图书馆。