熟悉使用键盘不仅能增加你的操作速度，还能帮助减轻腕关节的疲劳。

Mastering the keyboard will not only increase your navigation speed but it can also help with wrist fatigue.

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鼠标是一个必要的外部设备，它可以使用户以比仅使用键盘快得多的速度完成许多操作。

A mouse is essentially a pointing device that allows the user to do many operations more quickly than he could with the keyboard alone.

youdao

鼠标是一个必要的外部设备，它可以使用户以比仅使用键盘快得多的速度完成许多操作。

A mouse is essentially a pointing device that allows the user to do many operations more quickly than he could with the keyboard alone.

youdao