Alveolingual sulcus
[医] 牙槽舌沟
🧩 词语组成解析
[医] 牙槽舌的
[医] 沟
🗣️ 情景例句
That's important for us.
这对我们很重要。
Which one is more difficult?
哪一个是比较难的？
Competition between ourselves, person against person, community against community,
然而人类之间的竞争，人与人，团体与团体，