动词短语
中文翻译：洗砾石
同义词：
['洗涤砾石例句：1. The river was so dirty that we had to wash the gravel from our shoes before we could go in.（这条河太脏了，我们得把鞋上的砾石洗干净才能进去。）']
例句：
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1. The river was so dirty that we had to wash the gravel from our shoes before we could go in.
这条河太脏了，我们得把鞋上的砾石洗干净才能进去。
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2. The park had been washed gravel, making it difficult for people to walk.
公园被洗砾石覆盖，使得人们难以行走。
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3. The road was washed gravel, making it slippery and dangerous.
这条路被洗砾石覆盖，使得它滑且危险。