These are triggered by motion detectors or the press of a button by a shop assistant or householder.

它们被运动检测器触发或是由商店服务员或是房主按按钮触发。

youdao

What I mean by that is particularly with the control and how you're able to do so many different things by combining motion with just a few simple button presses.

说这些都是因为独特的控制，你只需要很简单的按键并结合上体感就能做很多事情。

youdao

At 10 PM that same night, a technician pressed a start button for the liquid gas pumps and the world 's most expensive oil rig accident was set in motion.

在当天夜里10点，技术人员按下按钮让液态气体泵开始工作，同时为史上最昂贵的石油钻井事故埋下了伏笔。不到两个小时，300英尺高的平台就被大火吞没。

youdao

But they had to wait too long, much too long, for the infernal elevator, which liked to clamor below with buckling metal and other echoes of motion the minute the call button was pressed, but tended to dally there before zooming right past, up and up, to some grander view of Bequia Tower.

NEWYORKER: The Valetudinarian

It's worth pointing out that there's also a voice command button as well as motion-sensing, thus making the most out of Google TV ver.3.

ENGADGET: ASUS Qube hands-on (video) HD

We can also make out that fingerprint scanner from the teaser campaign, as well as a MemoryStick Duo slot and a "capture" button, although if that Motion Eye doesn't swivel, it won't make much of a camera.

ENGADGET: Is this the Vaio from Sony's teaser campaign?