rail

noun

1. any of numerous widely distributed small wading birds of the family Rallidae having short wings and very long toes for running on soft mud

2. a horizontal bar (usually of wood or metal)

3. short for railway

e.g. he traveled by rail
he was concerned with rail safety

4. a barrier consisting of a horizontal bar and supports

Synonym: railing

5. a bar or pair of parallel bars of rolled steel making the railway along which railroad cars or other vehicles can roll

Synonym: trackrailsrunway

verb

1. criticize severely

e.g. He fulminated against the Republicans' plan to cut Medicare
She railed against the bad social policies

Synonym: fulminate

2. spread negative information about

e.g. The Nazi propaganda vilified the Jews

Synonym: vilifyrevilevituperate

3. complain bitterly

Synonym: inveigh

4. fish with a handline over the rails of a boat

e.g. They are railing for fresh fish

5. lay with rails

e.g. hundreds of miles were railed out here

6. travel by rail or train

e.g. They railed from Rome to Venice
She trained to Hamburg

Synonym: train

7. convey (goods etc.) by rails

e.g. fresh fruit are railed from Italy to Belgium

8. separate with a railing

e.g. rail off the crowds from the Presidential palace

Synonym: rail off

9. provide with rails

e.g. The yard was railed

10. enclose with rails

e.g. rail in the old graves

Synonym: rail in

1. 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.

rail

e.g. 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。
e.g. She gripped the hand rail in the lift.
她紧紧抓着电梯里的扶手。

2. （挂物用的）横杆，横档
A rail is a horizontal bar that you hang things on.

e.g. ...frocks hanging from a rail...
挂在横杆上的连衣裙
e.g. 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。

3. 铁轨
Rails are the steel bars which trains run on.

e.g. 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。

4. 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.

e.g. The president traveled by rail to his home town.
总统坐火车回到了他的家乡。
e.g. ...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

5. （大声）责骂，呵斥
If you rail against something, you criticize it loudly and angrily.

e.g. He railed against hypocrisy and greed...
他痛斥伪善和贪婪的行为。
e.g. I'd cursed him and railed at him.
我曾诅咒并且大声责骂过他。

6. see also: railing

7. 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.

e.g. 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。
e.g. Her career is back on the rails.
她的事业得以重振。

8. （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.

e.g. 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。

1. 导轨：9.6V导轨(rail)是由7812 12V导轨供电,不过,我们首先需要将4个二极管与7812 12V导轨串联在一起. 这样做的理由是,每个二极管需要0.7V(实际不超过0.7V)的电压,把这4个二极管串联,就能把7812 12V导轨的总电压降低约2.8V,变为9V左右,

2. rail

2. 轨：通过在电压轨(rail)上测量电流可以克服这个问题,而且能够测量多个轨. 图2对传统配置和采用电流监测器的配置进行了比较. 电流监测器专门用于测量以高压侧为参考的电流,可以从被监测的电压轨处获取偏置信号.

3. 铁路：铁路自行车是铁路(rail)和自行车(bike)的合成词,以1020公里的时速在坡度不大的下坡路上奔驰. 前后有铁路自行车行列,还安装了手动刹车,因此无需担心安全事故. 分2人乘和4人乘,并且可以在互联网上预约. 约50分钟的铁路自行车旅程之后,

4. rail：runway alignment indicator light; 跑道方向指示灯

5. rail：runway alignment indicator lights; 跑道对正指示灯