No statistically significant difference in asthma control, pulmonary function, exacerbation rate and drug reactions were found in each down-stepped period between the two groups.

两组各降阶梯哮喘控制率、肺功能、哮喘加重率和药物不良反应发生率比较，差异无统计学意义。

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He stopped just as his truck tilted down the steep incline, put on the handbrake, and stepped out.

就在他的卡车沿陡峭的斜坡向下滑的时候，他停了下来，拉住了手闸，然后下了车。

《柯林斯英汉双解大词典》

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