Serriform
a. 锯齿形的
🗣️ 情景例句
I have a suggestion for you ...
我有一个建议……
Excuse me to give you so much trouble.
对不起给你带来这么多麻烦。
A born teacher, she thought she could turn a deaf-blind person into a useful human being.
她是一个天的教师，认为自己可以把一个聋盲人变成一个有用的人。