Serrulation
n. 细锯齿状, 细锯齿
🗣️ 情景例句
I ventured to correct the teacher's mistake.
我鼓起勇气去纠正老师的错误。
Where'd you come from?
你从哪冒出来的啊？
It would never again be possible for them to lead normal lives.
他们再也无法过正常的生活。