中国南方航空公司

China South Airline Company

• of
• off
• offence
• offend
• offensive
• offer
• office
• official
• often
• oil
• okay，OK
• old
• omit
• on
• on
• once
• one
• one
• one
• one
• oneself
• only
• only
• only
• onto(亦on to)