prong[prɔŋ]

n.叉子，尖状物，航空兵突击方向 v. 刺，戳，贯穿

• undersized
• underslung
• understaffed
• understand
• understate
• understock
• understudy
• undertake
• undertaker
• under-the-counter
• undertone
• undertook
• undertow
• undervalue
• underwater
• underwear
• underweight
• underwent
• underwhelm
• underworld
• underwrite
• undeserved
• undesigned
• undesirable
• undeterred