All the actors know the play backward.

所有演员对剧本都熟知到可以倒背如流。

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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。

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In fact, some of these playwrights would start by writing the end of a play and work backward toward the beginning, just to make sure each event led logically from what had gone before.

事实上，一些剧作家会从剧本的结尾开始写起，然后倒着写剧本的开头，只是为了确保每一个事件都能从逻辑上与之前发生的事情联系起来。

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But then you want to have backward compatibility so you can play your used games forever.

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At one point, he even hit one as he fell backward to the floor, the kind of play that eliminates any doubt about whose night it's going to be.

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It flew to backward point where Sammy, the first St Lucian to play for the West Indies, dived forward to try and take the catch.

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