Fossilisation
化石化
🗣️ 情景例句
I promise I won't leave early.
我发誓我再也不会早走了。
The tongue ever turns to the aching teeth.
舌头总是碰着疼牙。
Work on it had begun before my sister left.
这栋房子在我姐姐离开之前就已动工了，