Gingival crevice
[医] 龈缝, 龈下隙
🧩 词语组成解析
a. 齿龈的\\n[医] 龈的
🗣️ 情景例句
Everyone is expected to stick to the rules.
每个人都要遵守规则。
Good luck!
祝你好运。
Would you like another piece of beancurd?
再吃一块豆腐好吗？