Gingival line
[医] 龈线
🧩 词语组成解析
a. 齿龈的\\n[医] 龈的
line
[laɪn]
n. 线条;排;行列;界线;
vt. 排队;用线标出;沿…排列成行;给…安衬里;
vi. 形成一层;排队;击出平直球;
🗣️ 情景例句
Please sit down.
请坐下。
I don't like his kissing business.
我对他的接吻索然无味。
Very excited, the party dug a hole two feel deep.
队员们异常激动，就地挖了一个两英尺深的坑，