大雷头风dà léi tóu fēng

acute headache

• opium poppy
• opole
• oporto(或porto)
• opossum
• oppenheimer
• oppenheimer，j.robert
• opponent
• opportune
• oppose
• opposed
• opposeless
• opposite
• opposition
• oppress
• oppressed
• oppression
• opprobriously
• o-proposition
• opry-house
• ops
• opster
• opt
• optical
• optical activity
• optical rotation