A large transparent inflatable ball for a person to roll inside

• Often used to roll downhill for sport or recreation

供人进入并在其中滚动的大型透明充气球

• 常用于从斜坡向下滚动的运动或娱乐

To ride or roll downhill inside a zorb ball

• To take part in the activity of zorbing

在太空球里滚动，尤指从斜坡向下滚

• 参与太空球运动