Periaementitis
牙周膜炎
🗣️ 情景例句
Going fishing?
要去钓鱼？
Whatever it is, I need this computer to work.
不管是什么问题，我要求把这台计算机修好。
Arthur C.Clark once suggested a revolutionary idea passes through three phases:
Arthur C.Clark曾经提出，一个革命性的想法经过三个阶段：