As such, consider making the frames play backward or forward in time depending on which button was clicked.

因此，帧在时间上是反向播放还是正向播放，取决于按下了哪一个鼠标按键。

youdao

As such, consider making the frames play backward or forward in time depending on which button was clicked.

因此，帧在时间上是反向播放还是正向播放，取决于按下了哪一个鼠标按键。

youdao