Moving back and forth的意思|示意

Moving back and forth through artists and menus while the music was playing caused some ugly lag, as did even doing simple things like changing the volume.

在切换歌手和选单的时候会造成音乐播放的迟钝，连调整音乐的时候都会发生类似的问题。

But, in this case, if you are moving back and forth, it would make more sense to have the arc length first increase, then decrease, increase again, and so on.

在这种情况下，如果在来回运动，第一次增长的弧长更有意义，接着减少，再增长，诸如此类。

Tyler got Marla into a cab, and high up on the eighth floor of the hotel, Tyler could see shadows moving back and forth across the windows of Marla's room.

往上看，泰勒可以看到酒店的十八层楼上，几个人影冲到马拉房子的窗边。

The principle that much lip seals off and extensive use in moving in moving back and forth and rotating the main body of a book has been introduced mainly.

本文主要介绍了多唇密封的原理以及在往复与旋转运动中的广泛应用。

It ran across roads and on pavements, moving its little legs back and forth.

它前后移动着小腿，跑过马路和人行道。

I've also added a path to follow for moving back and forth — a simple line.

我还添加了一个path作为来回移动的路线——一个简单的线条。