The unibody phone has a 4.3-inch curved glass AMOLED screen with no forward facing buttons; users double-tap to lock and unlock.

这款直板手机使用的是4.3英寸的弧面amoled屏幕，边缘没有物理按键，用户使用双击屏幕来锁屏或解锁。

youdao

I didn't discover until the end of my run that my car key (yes, the expensive one with the unlock/lock buttons) had fallen out.

直到跑到最后我才发现我的车钥匙（是的，有解锁和锁最贵的那把钥匙）掉了。

youdao

Two buttons are dedicated to the main function allowing you to easily lock or unlock USB ports.

两个按钮都献给了主要的功能，让您可以轻松地锁定或解锁usb端口。

youdao

And she's active and doesn't want to carry around a bulky key fob, so the automated door lock buttons were integrated into the key.

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The tablet even features a display lock, which locks the tablet's display and buttons, allowing young children to enjoy videos or interactive books without interruption.

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Even with that island-style arrangement, there aren't many undersized buttons here -- the Enter, Shift, Backspace and Caps Lock keys are all full-sized, and easy to hit without looking away from the screen.

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