undercarriage [ˈʌndərkærɪdʒ]

例句:

• There was a whine of hydraulics as the undercarriage locked into position.
  随着液压系统嘎吱一声响，起落架进入了锁定位置。
  
• The undercarriage on light aircraft does not always retract in flight.
  轻型飞机飞行时起落架不一定缩回.
  
• A kind of cutter undercarriage mechanism used in cutting machine is introduced.
  介绍一种在卷筒放卷和收卷的切割分切机器中的进刀与退刀机构.
  
• Pulling off onto the soft shoulder, he felt a certain resistance from the undercarriage.
  来自NEWYORKER
• The cockpit consists of carbon fiber-reinforced polymer, which integrates the undercarriage of both seats.
  来自ENGADGET
• "I have flown this plane 500 times and this is the first time the undercarriage did not open, " Wrona said.
  来自NPR