使用电脑鼠标或轨迹球鼠标有时候非常棘手。

Use a computer mouse or trackball may be a little tricky.

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它们使用轨迹球移动指针和滚动屏幕，但是这更像是指针-键功能而不是鼠标指针。

They use a trackball to move the cursor and scroll the screen, but it is more like cursor-key functionality rather than a mouse pointer.

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使用鼠标或者轨迹球有时候会有一点点儿棘手。

Using a computer mouse or trackball can be a little tricky.

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尽可能在最直的线上移动您的鼠标或轨迹球。

Move your mouse or trackball in the straightest line possible.

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尽可能在最直的线上移动您的鼠标或轨迹球。

Move your mouse or trackball in the straightest line possible.

youdao