短語(yǔ)詞組短語(yǔ)backhand topspin service 發(fā)反手下旋球backhand court service line 反手區(qū)backhand quick service 反手發(fā)急球Backhand d service 反手發(fā)球backhand backspin service 發(fā)反手下旋球backhand crosscourt service 發(fā)反手斜線球fast backhand crosscourt service 發(fā)快速反手斜線球 返回 backhand service