Press the Down button to decrease the Speaker Volume.

按下按钮，以减少喇叭的音量。

youdao

It could purr along like any luxury car or, at a press of the ubiquitous sport button, growl loudly as you disappear down the road.

它可以像任何一辆豪华轿车一样低吟前行，而一旦你按下那个无所不在的运动按钮，车便咆哮着瞬间消失在路上。

youdao

First, center the subject and press and hold the shutter button halfway down.

首先，将拍摄对象居中，然后将快门按钮按下一半。

youdao

Using a thumb to control the navigational buttons as most would do, I found myself to accidentally press down or left instead of the center Select button.

ENGADGET: Hands-on with Motorola's RAZR V3 for Cingular

When bribed local police would alert the bar about a raid, the bartender would warn customers and press a button to make the bar and liquor shelves flip upside down, dropping all bottles down into the sewer system.

BBC: Speakeasies, moonshine and gangsters

This is a walker which has front legs that adjust on the fly with the press of a button, making it possible for a person to use the walker to help get up and down stairs.

FORBES: Innovation For Accessibility