step down是什么意思


中文翻译走下,变低

网络释义

1)step down,走下;变低2)step down,走下3)become lower;fall slowly downwards,变低;缓慢下陷4)I go up, I go down.,我走上走下。5)I go up and down.,我走上,走下。6)WEDM-LS,低速走丝

用法例句

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