Dentes permanentes
[医] 恒牙
🧩 词语组成解析
齿状部份
🗣️ 情景例句
If there's anything you need, just knock on my door.
有什么需要帮忙的话，尽管敲门来找我。
May I ask you how old you are?
我能问你多大了吗？
We must conclude from the work of those who have studied the origin of life,
我们必须从那些研究生命起源的人的工作总结出：