abbr.millions of operations per second 百万次运算/秒；n.（擦地板用的）拖把( mop的名词复数 )；蓬乱的头发；洗碗刷； 双语释义：n.(名词)[C](擦地板用的)拖把 a tool for washing floors,made up of a long stick with threads of thick string or a piece of sponge fastened to one endv.(动词)vt. 用拖把擦(地板等) wash (espe