Pericemental line
[医] 根周线
🧩 词语组成解析
[医] 牙周膜的
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
We have to work hard to get people interested in politics.
我们必须努力使人们对政治感兴趣。
Mary, this is Joe's brother David.
玛丽，这是乔的兄弟戴维。
In front of me was a wall of animals.
在我的前面是一面刻满了动物的墙壁。