自2010年至今的四级考试中， 共出现过 次
自2010年至今的六级考试中， 共出现过 次
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.
They had to walk across an emergency footbridge, holding onto a rope that served as a rail...
She gripped the hand rail in the lift.
N-COUNT （挂物用的）横杆，横档 A rail is a horizontal bar that you hang things on.
...frocks hanging from a rail...
This pair of curtains will fit a rail up to 7ft 6in wide.
N-COUNT 铁轨 Rails are the steel bars which trains run on.
The train left the rails but somehow forced its way back onto the line.
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.
The president traveled by rail to his home town.
...the electric rail link between Manchester and Sheffield.
VERB （大声）责骂，呵斥 If you rail against something, you criticize it loudly and angrily.
He railed against hypocrisy and greed...
I'd cursed him and railed at him.
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.
They are keen to get the negotiating process back on the rails...
Her career is back on the rails.
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.
They've got to do something about these children because clearly they've gone off the rails.