Sobel
n. 索贝尔（品牌名, 一种边缘检测滤波器）
🗣️ 情景例句
He's cheating on his wife.
他对妻子不忠。
Not getting the job was a terrible disap-pointment.
得不到那份工作，叫人失望极了。
His parents did not know what was wrong.
他的父母亲不知道他有什么毛病。