Warning: file_put_contents(): Only 0 of 5207 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 backhand backspin service是什么意思，backhand backspin service的翻译，backhand backspin service音标、读音、用法和例句_沉淀汉英词典
Services include the backhand topspin and backspin serves the forehand topspin and backspin serves and the high toss service. 發球方法包括，反手上鏇球和下鏇球，正手上鏇球和下鏇球。和高拋發球。