bobble [ˈbɑ:bl]

例句:

• a woolly hat with a bobble on top
  帽顶带一只小绒球的羊毛帽子
  
• Each bobble is magnetized in one direction or the other.
  每个磁泡可以按不同方向磁化.
  
• Bobble here taught Pooch to pull the little one around in a wagon. "
  这儿的博比教普茨用小车拉那个小家伙在附近转. ”
  
• We had to wear our bobble hats, even when watching at home.
  来自BBC
• Sitting on the sofa wearing a Welsh bobble hat and scarf, watching Wales play New Zealand at rugby.
  来自BBC
• I actually thought the ball was going to bobble up when I got my chance, but it didn't and thankfully I slotted it away.
  来自BBC