Odontolithiasis
[医] 牙垢症
🗣️ 情景例句
Then make a left turn.
然后向左转〃
How about Mary? How long has she lived there?
玛丽怎么样？她在那儿住多久了？
It has four Rolls-Royce Merlin engines, but the group will need to have only three of them rebuilt.
该飞机装装配有4台罗尔斯-罗伊斯的默林发动机，但是他们只需要修复其中的3台。