Orthodentin
[医] 直型牙本质, 正牙质
🗣️ 情景例句
Hi.
嗨，
The doctor said it's just an insert bite, There's nothing to worry about.
医生说只是被昆虫咬了一口，不需要担心。
An ocean wave passing through deep water causes a particle on the surface to move in a roughly circular orbit,
穿过深水的海浪使水面上的一个微粒按照一种近乎圆形的轨道移动，