And they just go back and forth.

就这么倒来倒去地用就可以了。

These memo-ons just go back and forth.

这些，memo-ons来回反复运动。

They go back and forth until their train is called.

他们来回走着，一直到火车来。

The values go back and forth in fairness and efficiency.

公司治理结构的价值取向是在公平与效率之间徘徊的。

You can go back and forth between parks as often as you like.

只要你愿意，你可以尽情地在这两个公园之间往返穿梭。

On the light beginning, oneself still Be go back and forth.

华灯初上，自己依旧在徘徊。

People and cars go back and forth in the busy streets, calm as the reality.

街道上人来人往，车水马龙，现实就是这样的平静。

It's so much fun to see that object go back and forth in 21 seconds, that I will go...

很有趣地发现物体,来回用时是21秒，我将。

It begins life as a male and becomes a female. It may go back and forth many times.

牡蛎是双性的。它们先由男性变为女性，然后再变回男性，一生中还会来回变好多次呢。

Or you've got different chemical constituents together that can react and go back and forth.

或者有一些不同的化学物质共存,它们之间可以发生反应。