现在正是一年中最热的时候,在英语中,“三伏天”有一个特殊的表达方式 —— dog days of summer。说到狗,大概大家都对夏天里吐着舌头乘凉的狗狗印象很深吧!那么,这个习语又和狗有什么关系呢? 在古罗马,研究星象和天文的科学家发现,在一年当中最炎热的几个星期里,天狼星与太阳总是同升同落,时间大概是从七月份一直到八月中旬。人们认为,这是天狼星所释放的热量增加了太阳原本释放出的热量,因此这段最热的时间就被称为是“dog days”。
例如:Dog days are the hottest days in summer. (三伏天是夏季最热的时候)
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