名词
中文翻译：台阶上的洞
同义词：
['stephole', 'stepped opening']
例句：
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1.The steps were worn smooth from years of use.
这些台阶因多年使用而变得光滑。
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2.The hiker carefully stepped around the stepped hole.
徒步者小心翼翼地绕过了台阶上的洞。
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3.The construction crew had to step around the stepped hole during the renovation.
在装修期间，建筑工人不得不绕开台阶上的洞。