tricycle [ˈtraɪˌsɪkəl, -sɪkəl]

例句:

• Our son has just graduated from a tricycle to a proper bicycle.
  我们的儿子刚刚从骑三轮车过渡到骑普通自行车.
  
• When unemployed, I went to drive a tricycle.
  我失业的时候就去拉三轮车.
  
• A little boy rode by on a tricycle.
  一个小男孩骑着三轮车过去了.
  
• A little boy, pedalling a tricycle round in tight circles.
  来自B. Hines
• Not to mention the tricycle riding rodent wielding a shot gun.
  来自BBC
• Let me get on my tricycle and head out to meet our nearest neighbor.
  来自SA