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
They are above average 85. I'm among the upper third of my class.
我的平均成绩在85分以上。我是全班第三名。
The best physicians are Dr. Diet, Dr. Quiet, and Dr. Merryman.
节食博士、精心博士、快乐博士，三人都是最好的医生。
Is that all?
就是这些吗？