慢速英语:谷歌推出带有运动感应技术的新手机

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laptop – n. a computer small enough to be carried around and used when the person is sitting

detect – v. discover or notice something

automatically – adv. independent; without human control

unlock –v. to open something that is closed to use without a key, code or other unlocking measure

screen – n. the usually flat part of a computer or device that shows images and text

app – n. program for a smartphone or other device that performs a special function

focus – v. pay particular attention to

transcribe – v. to make a written record of something heard or spoken