step down是什么意思？

step down的音标：step down的英式发音音标为：[step daun]step down的美式发音音标为：[stɛp daʊn]...

Getting into the aft cabin involves a slight step down from saloon level.去后舱需要从餐厅的位置略微往下迈一小步。The reactionaries will never, of their own accord , step down from the stage of history.反动派决不会自行退出历史舞台.A step - down transforme...