Peridontal
[医] 牙周的, 牙周膜的
🗣️ 情景例句
I think it's too easy.
我觉得它太简单了。
Love makes the world go round.
爱情使世界运转。
This is a kind of printing that blind people can read by touching groups of raised points that are printed on paper.
布莱叶盲文是一种印刷字体，盲人通过摸印在纸上起的点点来读书。