向左键：将内容向左滚动一行。

The left ARROW key: Scrolls content one line to the left.

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也可以使用向左键和向右键来调整水平时间线控件。

The horizontal timeline control can also be adjusted by using the left and right arrow keys.

youdao

这很简单高尔夫球比赛。我开发利用数学函数。你可以改变角度使用向左键，向右键和开枪击中按空格键。

It's simple golf game. I have developed by using Math function. you can change Angle using LEFT ARROW, RIGHT ARROW and hit the shot pressing SPAC...

youdao