Gingival margin
[医] 龈缘
🧩 词语组成解析
a. 齿龈的\\n[医] 龈的
margin
['mɑrdʒən]
n. 边缘，范围;极限;利润，盈余;（版心外）的空白;
vt. 留边;成为…的边;加边于，围绕;为…加旁注;
🗣️ 情景例句
Thank you, no.
谢谢， 不用了。
Have you heard from Marry?
你收到玛丽的来信吗？
yet following her regular practice she had shut them before going out.
而她记得在出门买东西前，她按老规矩是把房门一一锁上的。