1.A laptop would be really useful for when I’m working on the train.

1.我在火车上工时, 便携式电脑真很有用。

2.He constructed the first known treadmill desk along with his laptop and headset in hopes of incorporating more movement for deskbound jobs.

2.他制造第一台跑步机记本和耳机，给些在办公室工带来了更多运动机会。

3.According to some pilots, members of crews have even been known to play DVDs on laptops in the cockpit to pass the time on particularly long overwater and international flights.

3.据一些飞行员说，在特别长时间越洋飞行和国际航班时，机组员甚至有在驾驶舱通过记本电脑看DVD消磨时间。