必须记住，人类历史上很多严重的传染病均起源于动物。
Many serious infections in human history have originated in animals.
汉字从起源到现在已经有几千年的历史了。
Chinese characters have the history of several thousand years.
地质学对地球起源、历史和结构的科学研究。
Geology: the scientific study of the origin, history, and structure of the earth.
我个人觉得了解事物的历史和起源非常重要。
I personally feel that understanding the history and origin of things is very important.
历史记载了不少私生龙子龙孙的大名，却不能告诉我们小麦的起源。
History records the name of royal bastard but cannot tell us the origin of wheat.
不论起源如何，瓦伦廷节都有悠久而浪漫的历史。
Whatever the origin, Valentine's Day has had a long and romantic history.
音乐的起源迷失在历史的浓雾之中。
汉字是世界上最古老的文字，它的起源、历史演变你知道多少呢？
Chinese characters are the oldest written words of any language in the world.
汉字是世界上最古老的文字，它的起源、历史演变你知道多少呢？
Chinese characters are the oldest written words of any language in the world.
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