Labiogingival
[医] 唇龈的
🗣️ 情景例句
Involve the entire family in a reading project.
让整个家庭都参与阅读计划。
I must say that I'm a little at a loss as to how to introduce them.
我必须表明对于如何介绍他们，我有点不知所措。
Sam was sure that the wallet must have been found by one of the villagers, but it was not returned to him.
萨姆确信那钱包一定是被某个村民捡到了，可是却不见有人来送还给他。