Sobel
n. 索贝尔（品牌名, 一种边缘检测滤波器）
🗣️ 情景例句
Nowadays many people go traveling for the holidays.
下面许多人都在假期里去度假。
Did you tell him yourself?
你自己亲自告诉他吗？
I'm glad that you could see me today.
真高兴你今天能来。