Ralph, Jr. skateboards by. The teenagers watch him from behind the tree.小拉尔夫踏着滑板滑过. 男孩子们躲在树后看着他.Traffic movements through two mobile skateboards, along horizontal axis feed.2通过沿升降台移动滑板, 沿水平轴线进给.Skateboards are the latest...

n.滑板( skateboard的名词复数 )...

skateboards的音标：...