moving staircase是哪种电梯?是直上直下的那种电梯,还是一般商场里面用的有一定斜度的扶梯呢?请不知道准确答案的不要回答了谢谢合作!我需要确切答案

staircase是什么意思 Moving moving spiral staircase是什么意思 ）​staircase是on the staircase还是in the staircase还是at the staircase? moving staircase是哪种电梯?是直上直下的那种电梯,还是一般商场里面用的有一定斜度的扶梯呢?请不知道准确答案的不要回答了谢谢合作!我需要确切答案 staircase和stairway的区别? step与staircase的区别 staircase是什么意思啊?如何背? 根据释义写出正确的单词1.a place where you can safely cross a road c( )2.a moving staircase that carries people e( )3.a bridge that carrises one road over another one f( )4.a flat part at the side of a road for people to walk on p( )5.a nar Keep Moving keep moving very moving moving是什么意思 moving是什么意思 moving towards moving filter 中文翻译是什么 moving（中文翻译）