tech strings
科技的字符串
以上为机器翻译结果，长、整句建议使用 人工翻译 。
It's these high-tech poly strings that allow pros to swing for the fences and have the balls drop in because of the bite and hyper topspin the strings generate.
WSJ: Roger Federer: With Tennis Rackets, He Strings Them Loose
应用推荐
模块上移
模块下移
不移动