step forward to是啥意思?

step forward to是啥意思? step forward Be properly effort to move forward step by step Take a serious step forward.中forward的意思 step backward,step forward,step onward和step downward分别什么意思? look forward to 是啥意思 怎样使用 great-step-forward什么意思?原句It was a great-step-forward for man look forward to 的意思是? Never step to you.啥意思? step-by-step 啥意思? i look forward to it 啥意思 One step forward...