B.直升机构造

Structure of a Hellcopter

• over
• overaccumulation
• overachievement
• overactivity
• overage
• overall
• overarch
• overassessment
• overbalance
• overbear
• overbearing
• overbid
• overblouse
• overblow
• overblown
• overboard
• overbodice
• overbold
• overbook
• overboot
• overborne
• overbought
• overbrash
• overbrilliant
• overbuy