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
If no one comes to claim Gemma,
如果没有人来认领Gemma，
And happy to know that the Bank of America has opened another branch in Shanghai.
并且很高兴地了解到美国银行在上海又建立了一家分行。
Although the bed was smashed to pieces, the man was miraculously unhurt.
尽管床摔成了碎片，但年轻人却奇迹地没有受伤。