小球

例句：

1. 1. The little ball rolledinto the corner of the room.
   那个小球滚进了房间的角落。
2. 2. She threwthe ball to her friend and they playedcatch.
   她把球扔给了她的朋友，他们一起玩接球游戏。
3. 3. The ballwas so heavy that it couldn'tbe thrown far.
   这个球太重了，扔不远。