And that makes the sun wobble back and forth.

这使得太阳来回动。

The balance wheel rocked back and forth precisely.

平衡轮精准地来回动。

And he walks by having his sho...shoulders...they are actually bouncing back and...back and forth.

他走路的时候，他的肩膀...会切实地...来回动。

Hinge joints swing back and forth like — well, a hinge on a door.

屈戍关节来回动，就——嗯，门上的铰链一样。

To help him think, he sits down in a rocking chair and quietly swings back and forth.

了帮助自己思考，他坐在摇椅上，安静地来回动。

The machine rocks and creaks in all its joints. There comes a tremendous shock.

这台机器的所有连接处都来回动，发出嘎嘎响声，令不胜恐惧。

Oh, I can see if Phil has that thing in his car that flails around like this.

对了，我可以去看看菲尔车里有没有那种来回动的东西。

With a low center of mass, the wheel just swings back and forth like a pendulum, then stops.

当质心较低时，车轮就一样来回动，然后停止。

Your hot air balloon catches a branch, and you get stuck in a Lurch, swinging back and forth.

你的热气球抓住了一根树枝，你被困在一个歪斜的地方，来回动。

Well, choanoflagellates have little flagella that whip back and forth to move them from place to place.

领鞭虫有很小的鞭毛，鞭毛来回动，让它们从一个地方移动到另一个地方。

That means that that pendulum swinging back and forth from style to style, from movement to movement, is irrelevant.

这意味着来回动，不同的风格、 不同的艺术运动，已无关紧要。

So the window is oscillating back and forth.

所以窗户来回动。

It was just this pendulum swing that went back and forth.

只是这个来回动。

Just swinging back and forth, the wings are fluttering.

只是来回动，翅膀在扑腾。

The swing allows you to go back and forth in the air while sitting down.

秋千让您坐下时可以在空中来回动。

Even though the wiggling back and forth of the star is too small to measure, that doesn't mean the effect is undetectable.

尽管恒星来回动的幅度太小，无法测量，但这并不意味着这种效应无法被检测到。

" To wave" is to move back and forth in the air.

” “挥” 就是在空中来回动。

The arms stay in place while the drone weaves back and forth.

当无机来回动时，手臂保持不动。

Somewhere near a chain creaked, swinging slowly to and fro.

附近某处一条链子吱吱作响，缓慢地来回动。

But however he turned his head and squinted and whisked his beard to and fro, he couldn't quite see his own shoulder.

可不论他怎么转头，斜着眼睛，来回动着胡子，都看不见自己的肩膀。