drag cut的意思|示意

The fins are stiff, smooth, and narrow, qualities that also help cut drag.

鱼鳍坚硬、光滑且细窄，这些特性也有助于减少阻力。

They will travel far only to cut down certain small trees that they can cut down quickly and drag back home quickly.

他们远行只是为了砍倒一些他们能迅速砍倒并迅速拖回家的小树。

With a file manager, you can drag and drop a file from one directory to another, cut and paste files, delete files, etc. So why use these old command line programs?

有文件管理器，你可以将一个文件从一个目录拖到另外一个目录下，剪切和复制文件，删除文件等- - - - -那么，为什么还用用这些古老的命令行程序呢？