孩子们每天花费太多的时间面对着屏幕以及教育者和家长的批评——凯萨家庭基金会去年的一项调查显示，这一时间平均每天是7小时38分钟。
Children spend far too much time in front of a screen, educators and parents lament - 7 hours 38 minutes a day on average, according to a survey by the Kaiser Family Foundation last year.
这些参与者每天平均吸烟数量为17支，研究人员让他们在一小时内接收显示在屏幕上的不同信息，同时使用磁共振技术扫描他们的脑部。
The participants, who smoked an average of 17 cigarettes per day, underwent fMRI scanning for one hour while different messages appeared on a screen.
哈佛医学院的查尔斯·泽斯勒医生说，“这项研究显示，在睡前的关键一小时内大量使用发光屏幕，”
"This study reveals that light-emitting screens are in heavy use within the pivotal hour before sleep, " said doctor Charles Czeisler of Harvard Medical School.
我们坐在火车站，等了差不多1个小时，突然公告屏幕上显示火车晚点一个多小时，天啊，今天我们真的是衰到家了！
We were sitting in the train station, waited for about one hour, suddenly the information screen showed us that the train delayed one more hour, omg, today we were really too unlucky!
大屏幕显示区、投影仪、幻灯机、液晶投影机、DVD机、录音机、录像机等可按小时或按天计算供您使用。
Large screen displays, projectors, overhead projectors, LCD projectors, DVD players, tape recorders, video camcorders are ready for your renting by hour or by day.
大屏幕显示区、投影仪、幻灯机、液晶投影机、DVD机、录音机、录像机等可按小时或按天计算供您使用。
Large screen displays, projectors, overhead projectors, LCD projectors, DVD players, tape recorders, video camcorders are ready for your renting by hour or by day.
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