Tannometer
鞣液比重计
🗣️ 情景例句
I'm so sad to see this little dog without her family.
看到这只狗没有家 我真难过。
Some persons do first, think afterwards, and then repent for ever.
有些人做了再思考，从而悔恨终身。
Oh,there's someone at the door.
噢，门口有人！