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
It is likely to rain tonight.
今晚可能会下雨。
My grandma is 40 years older than me.
我祖母比我大40岁。
Time is money.
时间就是金钱。