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
Sir, this offer will expire this week.
先生，这次特价这个礼拜就结束了。
Could you introduce me to her?
你能把我介绍给她吗？
As he had never been there before, he found a great deal to interest him.
由于他从未去过那儿，结果他发现许多有趣的东西。