step forward 还是step onward.为什么

step forward 还是step onward.为什么 step backward,step forward,step onward和step downward分别什么意思? step forward One step forward... One Step Forward 歌词 look forward ,and step by step . STEP One step forward,civilization one step further 为什么后面的句子名词做主语 two steps forward ,one step one step forward,one step afterward 怎么翻译? Never give up step by step forward,I believe I Be properly effort to move forward step by step