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
I finally got around to the job again.
我终于能再做那份工作了。
The stain on the dress isn't really noticeable.
那件衣服上的污渍并不很明显。
I tried losing weight, but nothing worked.
我曾试着减肥，但是毫无效果。