krovar

例句：

1. 1. He hit the ball with his racket.
   他用球拍击球。
2. 2.The tennis player needs a good racket to compete effectively.
   这位网球运动员需要一个很好的球拍来有效地竞争。
3. 3. The kids are practicing their racket skills in the backyard.
   孩子们正在后院练习他们的球拍技巧。