Then there's a continuous wave, which is what happens when you keep moving the rope back and forth.

然后是连续波，这就是发生的事情 当您不断上下移动绳索时。

Then there’s a continuous wave, which is what happens when you keep moving the rope back and forth.

然后是一个连续的波浪，当你不断地来回移动绳索时会发生这种情况。