Osteodentin
[医] 骨性牙质
🗣️ 情景例句
Make a right at the stop sign.
就在停车再开标志那里向右拐。
May I use your telephone?
我能用你的电话吗？
The police had been told that a bomb had been planted on the plane.
有人报告警察，说飞机上安放了一枚炸弹。