| 释义 |
道钉dàodīng
1.把铁轨固定在枕木上的钉子。{spikes that fasten railway tracks onto sleepers}
2.能够反射夜间汽车灯光的装置,用工业塑料等制成,装在马路的隔离带上或盘山公路的转弯处,以提示司机注意安全。道钉的内部构造酷似猫眼,俗称猫眼道钉。{highway reflector; device that can reflect the lights of automobiles at night, made of industrial plastics and set up on divider fencing along the road, or at the turns on winding mountain roads, to warn drivers. As these highway reflectors are shaped like the eyes of a cat, they are also popularly called ‘cat's eyes'.} |