动词短语
中文翻译：Unknown
同义词：
['form a ridge', 'form a channel', "form a crease例句：1. The car's tires were so worn out that they formed a groove in the road.（汽车的轮胎磨损得很厉害，以至于在马路上形成了一个凹槽。）2. The artist carefully drew a groove on the canvas with a brush.（艺术家用画笔小心地在画布上画了一个凹槽。）"]
例句：
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1. The car's tires were so worn out that they formed a groove in the road.
汽车的轮胎磨损得很厉害，以至于在马路上形成了一个凹槽。
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2. The artist carefully drew a groove on the canvas with a brush.
艺术家用画笔小心地在画布上画了一个凹槽。
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3. The old clock had formed a groove where the gears used to be.
旧时钟的齿轮曾经所在的地方已经形成了一个凹槽。