场合，重大或特殊的活动，盛会的英文

• occasio
• occasion n

• 场合:    occasion; situation
• 重大:    great; weighty; major; signi ...
• 或:    nǎi-.
• 特殊:    special; particular; peculia ...
• 的:    4次方是 The fourth power of 2 i ...