Bounce the ball and try and hit it over the net.
让球反弹起来,然后试把它打过网。
a round object used for throwing, hitting or kicking in games and sports 球:
15秒记一个单词（第1848个）ball
Bounce the ball and try and hit it over the net.
让球反弹起来,然后试把它打过网。
a round object used for throwing, hitting or kicking in games and sports 球:
