This was a tiny revolution at the time, yet it still restricted the video content to not-quite-comfortable display size of a mobile phone.

这在当时是一次小小的革命，然而还是把视频内容限制到不太宽的移动电话的尺寸来显示。

youdao

Pedestrian cell-phone use. Many states and cities have restricted phone use while driving.

步行的手机用户：美国的很多州限制开车时手机的使用。

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Private telephone lines operated on a system that precluded making or receiving international calls; international phone lines were available only under restricted circumstances.

私人电话线所连接的系统无法拨打或接听国际电话；国际电话线路只有在受到限制的场合下才会接通。

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"We have one project called bee-spotters, which is now restricted to Illinois, where we ask people to go out with a digital camera,even a cell phone, and photograph either bumblebees or honeybees."

VOA: special.2011.05.24

Soldiers' leave is often cancelled and mobile-phone use is restricted.

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At the time, News Corp. insisted that the phone hacking at the tabloid was restricted to the two men.

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Formerly, coaches were restricted to a single phone call per month, and there were even stiffer limits on text messages and private contact on social media platforms.

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