running rail
noun
1 Railways one of the two outside rails of a track with which the wheels of a train make contact.
2 Horse Racing a fence which marks the inside edge of a racecourse.
Origin
Mid 19th century.
| 单词 | running rail |
| 释义 | running railnoun 1 Railways one of the two outside rails of a track with which the wheels of a train make contact. 2 Horse Racing a fence which marks the inside edge of a racecourse. Origin |
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