| 释义 |
🔑railrail /reɪl / noun - ( railing) [countable] a bar, usually of metal or wood, which protects people from falling (on stairs, from a building, etc.)（楼梯等的）栏杆，扶手，护栏 ➡ look at handrail
- [countable, usually plural] the tracks that trains run on（火车的）铁轨，轨道
- [uncountable] the railroad system; trains as a means of transportation铁路系统；火车（交通方式）◆commuter rail lines通勤铁路线◆The goods were shipped by rail.货物经由铁路运送。
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