sweep line meaning in Chinese

手纲
旋扫迹线

Today i think my mind is becoming clear about the depth - buffer algorithm after i was pushed to give a clear definition of input and output . indeed , let s note down this : " well defined , well designed " . suddenly i see the essence of " sweeping line " algorithm
黄教授看着那块三层肉心头一阵火起，气呼呼道： “这个老婊子丢人现眼，给人倒贴不说，还放话说要跟婆家在家门口决战，真不要脸，祖宗不幸啊，养下这么个贱货把老黄家的脸都丢尽了！