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。

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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。

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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？

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If the Bush tax cuts and payroll holiday are not extended, and Congress lives up to its commitment to cut spending, the drag on the economy will be severe.

CNN: U.S. economy heading straight for the cliff

From these sources, you can drag them to the working palette in the bottom to cut and paste portions of the clip, apply effects, titles, and transitions.

CNN: iMac DV makes home video editing simple

Alitalia said it would cut 2, 700 jobs as part of a three-year rescue plan to drag it out of the red and make it fit for the merger.

CNN: France looks to Alitalia in merger