tennis是否有复数？

tennis 没复数
但有tennisballs, tennis matches,tennis rackets

可数

没有复数

tennis:
n.网球，网球运动
不可数名词 n.[U] 网球
game for two or four players,with rackets and balls
· They played tennis on the grass court.
他们在草场上打网球。
· Some of the best tennis were played at Wimbledon.
有些最精采的网球比赛是在温布尔登进行的。
· table tennis
乒乓球

no