Mesognathion
[医] 切牙骨(侧切牙的骨化中心)
🗣️ 情景例句
Good idea, Jack. What do you think about the second part?
好主意，杰克，你对第二部分有什么看法？
I feel terrible about it.
太抱歉了。
I'm not sure we can use that many.
我怕我们用不了那么多。