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N-COUNT
横杆；栏杆；扶手
A rail is a horizontal bar attached to posts or fixed round the edge of something as a fence or support.
例句
They had to walk across an emergency footbridge, holding onto a rope that served as a rail...
他们必须握着一条绳索充当扶手穿过一条紧急人行天桥。
She gripped the hand rail in the lift.
她紧紧抓着电梯里的扶手。
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N-COUNT
（挂物用的）横杆，横档
A rail is a horizontal bar that you hang things on.
例句
...frocks hanging from a rail...
挂在横杆上的连衣裙
This pair of curtains will fit a rail up to 7ft 6in wide.
这副窗帘需要用7.5英尺宽的横杆挂起。
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N-COUNT
铁轨
Rails are the steel bars which trains run on.
例句
The train left the rails but somehow forced its way back onto the line.
火车脱轨了，但总算设法回到了原来的轨道上。
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N-UNCOUNT
乘火车（旅行）；用火车（运送）
If you travel or send something by rail, you travel or send it on a train.
例句
The president traveled by rail to his home town.
总统坐火车回到了他的家乡。
...the electric rail link between Manchester and Sheffield.
曼彻斯特和谢菲尔德之间的电气化铁路线
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VERB
（大声）责骂，呵斥
If you rail against something, you criticize it loudly and angrily.
例句
He railed against hypocrisy and greed...
他痛斥伪善和贪婪的行为。
I'd cursed him and railed at him.
我曾诅咒并且大声责骂过他。
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PHRASE
复苏；重振
If something is back on the rails, it is beginning to be successful again after a period when it almost failed.
例句
They are keen to get the negotiating process back on the rails...
他们热切希望使谈判重新步入正轨。
Her career is back on the rails.
她的事业得以重振。
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PHRASE
（行为）越轨，不规矩
If someone goes off the rails, they start to behave in a way that other people think is unacceptable or very strange, for example they start taking drugs or breaking the law.
例句
They've got to do something about these children because clearly they've gone off the rails.
他们必须得管管这些孩子了，因为他们实在太不像话了。