Serration
n. 锯齿状, 锯齿边\\n[医] 锯齿形, 锯齿构造
📖 牛津释义
serration
n
1 [U] being serrated 锯齿状.
2 C] notch on a serrated edge 锯齿形边缘的凹口.
🗣️ 情景例句
That's right.
是的。
It's an honor to be speaking to you today.
今天跟你们说话至感荣幸。
This way, he can kill two birds with one stone.
这样他就能两全其美。