动词短语
中文翻译：沿着某物滑动或爬行
同义词：
['slip along', 'scrape along', 'graze along']
例句：
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1.The dog was scratching along the fence as it played in the yard.
狗在院子里玩耍时，沿着篱笆蹭来蹭去。
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2. The old man was scraping along the ground with his cane.
老人用拐杖在地上蹭来蹭去。
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3.The car was greasing along the roadside as it slowly made its way through the city.
汽车在缓慢驶过城市时，沿着路边蹭来蹭去。