当你在开车时，你可以用它进行程序切换； 或者当你在走路时，不想用手按按键，它也可以很好的帮你完成各种功能。

This is a game changer if you want to use your phone in your car or you want to walk without having to type.

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我按了一下对讲机上的一个按键，告诉维克多·伊留申我要见他。

I pushed a button on my intercom and told Viktor Ilyushin that I needed to see him.

《柯林斯英汉双解大词典》

不幸的是，这种“座曲式”结构的键盘早就被“橡胶圆点”式键盘所取代了。后者的键帽下附有小按棒，按键被摁下时按棒就会触动分布在一层塑料薄膜上的橡胶圆点。

The buckling spring method, unfortunately, has long been replaced by the 'rubber dome,' where little sticks on the underside of the keys press down on rubber domes laid on a plastic underlay.

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