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'm afraid you're right.
恐怕你对了。
As a man's heart is, so does he speak.
言为心声。
She never thought of it again,
此后她就再没去想那只瓶子。