名词
中文翻译：路标
同义词：
['sign', 'landmark', 'marker']
例句：
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1.The waybeam on the road is pointing towards the next town.
路标指向下一个城镇。
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2. The old waybeam was replaced by a modern one last year.
去年，旧的路标被现代的路标所取代。
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3. The waybeam helped us find our way back to the car park.
路标帮助我们找到了回停车场的路。