名词
中文翻译：阶梯盒
同义词：
['step', 'stepper', 'stepper box例句：1. The steps are steep and the stairs are narrow.（楼梯陡峭，台阶狭窄。）']
例句：
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1. The steps are steep and the stairs are narrow.
楼梯陡峭，台阶狭窄。
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2. The step-by-step guide will help you understand the process.
逐步指南将帮助您理解这个过程。
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3. The new step-up model is more comfortable than the old one.
新款的升级模型比旧款更舒适。