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(晛)xiàn 〈书〉日光明亮:天气自佳日色～。

• 急于
• 急于求成
• 急件
• 急促
• 急先锋
• 急公好义
• 急切
• 急刹车
• 急剧
• 急功近利
• 急务
• 急匆匆
• 急变
• 急如星火
• 急就章
• 急巴巴
• 急忙
• 急性
• 急性子
• 急性病
• 急救
• 急来抱佛脚
• 急流
• 急流勇退
• 急火
• the open university
• the-open-university
• the operative word
• the opposite sex
• the opposite side of the coin
• the opposition
• the orange bowl
• the-orange-bowl
• the orange free state
• the-orange-free-state
• the order of merit
• the-order-of-merit
• the order of the bath
• the-order-of-the-bath
• the order of the day
• the-order-of-the-garter
• the order of the garter
• the order of the thistle
• the-order-of-the-thistle
• the order of things
• the ordnance survey
• the-ordnance-survey
• the oregon trail
• the-oregon-trail
• theorem