a back-and-forth motion

 
       
  • 来回移动

a back-and-forth motion的用法和样例:

例句

  1. The shuttle moves backwards and forwards through the warp.
    梭子在经线中来回移动。
  2. The conjuror made a few passes with his hand overthe hat.
    魔术师用手在帽子上方来回移动了几下。

a back-and-forth motion的相关资料:

临近单词

目录
应用 附录 查词历史
    今日热词