step backward,step forward,step onward和step downward分别什么意思?

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stepbackward,stepforward,steponward和stepdownward分别什么意思?stepbackward,stepforward,steponward和stepdownw

step backward,step forward,step onward和step downward分别什么意思?
step backward,step forward,step onward和step downward分别什么意思?

step backward,step forward,step onward和step downward分别什么意思?
1.step backward：倒退；返回；逐帧倒放
2.step forward：走出,向前进；站出来
3.step onward：向前一步
4.step downward：向下走

step backward,step forward,step onward和step downward分别什么意思? STEP You will either step forward into growth,or you will step backward into safety. step by step step by step 2000 STEP BY STEP 急 step-to-step variability step by step,one step 急 step by step 2000 与 step by step 3000 区别 Step by step it step by Step it one step one step step by step by step brothers