Amelodentinal
[医] 釉牙[本]质的
🗣️ 情景例句
Let's get together sometime.
什么时候我们聚一聚。
Then, all of a sudden, it became cloudy and began to rain.
可是突然天就变了，乌云密布并下起雨来。
Who's that?
那是谁呢？