be uesd to do sth
是“被用来做某事”的意思
例句:
1、Computers can be used to do many things.
电脑可用来做许多事。
2、Of course, as we know, dogs can be used to guard a house, and elephants can be used to do some heavy jobs.
当然,正如我们所知道的,狗可以被用来看家,大象可以被用来做些粗重的活。
3、The rest breaks should be used to do something physical like practicing your basics, forms and combinations.
休息时间则应该用来做运动,锻炼一下体质,形体,两样结合锻炼也可。
4、This can later be used to do load balancing.
这个以后用来做负载平衡。
5、As you may already know, particles can be used to do just about anything you could possibly imagine.
正如您可能已经知道,粒子可以用来做几乎任何你可以想像。
我猜楼主应该想问的是 be used to doing吧
be used to doing
是“习惯做某事”或者“过去常常做某事”的意思
例句:
1、My son used to be doing very well in school, " one parent said, "but now he spends all his free time playing computer games at the kiosk, and his schoolwork is suffering.
一位家长说:「我儿子在学校的成绩原本很好,不过他现在一有空,就跑到电脑亭去玩游戏,成绩也变得愈来愈差。」
2、Warden quickly asked him: "You used to be doing?"
监狱长连忙问他:“你以前是干什么的?”
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