您要查找的是不是：
- 棒球起源于板球以及一种被称做弧形球的游戏。Baseball originated from cricket and an old English game called rounders.
- 弧形球curve
- 弧形球[America]bowling ball
- 球sphere
- 桌球table tennis
- 色球chromosphere
- 球的spherical
- 球阀ball plug
- 踢球kickball
- 小球glomerulus
- 进球score
- 球杆cue
- 撞球billiard ball
- 球磨ball grinder
- 球墨铸铁ductile cast iron
- 好球strike
- 毛球hair bulb
- 球童caddie
- 开球kickoff
- 球头bulb
