Arcus alveolaris
[医] 齿槽弓, 牙槽弓
🧩 词语组成解析
[医] 弓
🗣️ 情景例句
I know.
我知道。
It seems as if it's going to rain.
看起来天好像要下雨。
What do you do as a director?
作为导演您具体干什么呢？