Osteodentine
[医]骨性牙质
🗣️ 情景例句
Sorry, I've got people coming over tonight.
很抱歉，今晚有客人要来。
I'm easy to please.
我很随和。
He collected tetters and made copies of people's diaries.
他收集到一些信件，复印了一些人的日记。