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
How long does your vacation last?
你的假期有多长？
His friend was filled with joy over the good news.
他的朋友因得知这个好消息而雀跃。
My name is Gao Hui. What is your name?
我的名字是高惠，你叫什么名字？