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1·How do you get these hearts to move up and down and seemingly in random patterns?

你怎样才能让这些爱心看起来是在随机的模式中上下移动呢？

2·If you had a motor here that was causing a paddle to move up and down you could cause waves to form at one end of the tank and move from left to right.

如果这里有一个马达，使桨上下移动，就可以在水槽的一端形成波浪，从左到右扩散。

3·See their heads move up and down.

看到他们的头上下移动。

4·They move up and down on the waves.

事实上，它是随着海浪上下浮动的一组筏。

5·Our emotional lives move up and down constantly.

我们的情感生活总会上下变化。

6·The different stocks tend to move up and down together.

不同的股票会同时涨跌。

7·So prices move up and down with tides in these currents.

因此价格的上升下降就和这些电流的潮汐逐渐趋向一致。

8·The tiny-tiny little springs, that move up and down, okay.

这种非常极其细小的弹簧，可以上下运动。

9·Move up and down the neck, over the bones of the face and lips.

在脖子上上下游走，让波动游过脸和唇部的骨头。

10·I prefer the arrow keys on my keyboard to quickly move up and down.

我喜欢上的箭头键的键盘迅速向上和向下。