还在和片头中的错误动作一样发球吗? 这一期有介绍正手发高远球及小球技术动作和要点 记得看完视频要多多练*哦
Do you still serve like the ones in the beginning of this video? Come on and check out how to serve properly, and what the key points are from the video. Don't forget to practice!
视频链接: https://b23.tv/zEhqjB