raquet cells

例句：

1. 1. The tennis player needs to strengthen his racquet cells for the upcoming tournament.
   这位网球运动员需要加强他的球拍细胞，为即将到来的锦标赛做准备。
2. 2. The researcher discovered a new type of racquet cells that could improve performance in tennis.
   研究者发现了一种新的球拍细胞，这种细胞可以提高网球运动的性能。
3. 3. The athletes were discussing how to maintain their racquet cells and prevent injuries.
   运动员们正在讨论如何保持他们的球拍细胞并防止受伤。