国家自然科学奖

State Natural Science Award

• opportunity
• oppose
• opposite
• opposition
• oppress
• opprobrious
• oppugn
• opt
• optative
• optic
• optical
• optician
• optimism
• option
• opulence
• opus
• or
• oracle
• oral
• orange
• Orangeman
• orang-outang
• orate
• oration
• orator