Gingival sulci
[医] 龈沟
🧩 词语组成解析
a. 齿龈的\\n[医] 龈的
[医] 沟
🗣️ 情景例句
A movie.
电影。
Take care of yourself and don't forget to keep in touch.
多多保重。别忘了保持联系。
Guess what?
猜猜看？