提示：点击例句中的单词，就可以看到词义解释

Press the home button and the on / off button ( top right edge ) simultaneously to take a screenshot of whatever you see on the device .

同时按下主键和开关键（右上角），就可以对你在设备上看到的任何图片截屏了。

On the day this screenshot was taken beijing was actually enjoying a rare blue sky day - hence the person in the upper right-hand corner is not wearing the white surgeon 's mask that he dons on more polluted days .

截取这个画面的当天，北京实际上处在少见的晴空万里的状态，因此，右上角的那个人没有戴白色的医用口罩赶上哪天污染较严重时他就会它戴上。

Here 's a screenshot from one of the most popular pollution apps , which includes a chart of pollution levels over the last 24 hours and the last month .

如下是一款最受欢迎的应用的截屏，上面有一张标示过去24小时和上个月污染水平的图表。