因此，对嗅觉文化史的研究，从真正意义上讲，是对人类文化本质的调查。

The study of the cultural history of smell is, therefore, in a very real sense, an investigation into the essence of human culture.

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在强大而多样的动机驱使下，这次运动从荒野中建立起一个国家，并在本质上塑造了一个未知大陆的性格和命运。

This movement, driven by powerful and diverse motivations, built a nation out of a wilderness and, by its nature, shaped the character and destiny of an uncharted continent.

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实验中的电棒本质上是用电把火焰从燃烧器中推开，把它从燃料源中分离出来，然后火就熄灭了。

The electric wand in the experiments essentially uses electricity to push the flame away from the burner, detaching it from the fuel source, so it goes out.

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So essentially it's something that has to come from within the community, with the support, but it really is an evolution.

所以，从本质上来说，人权观念的改变,必须是在帮助下的群体自发觉悟，而且是一种发展。

普林斯顿公开课 - 人性课程节选

Essentially, this command make is just another program that uses GCC to compile my program for me but make is configurable.

从本质上来看，make命令就是一个,调用GCC来编译我们程序的程序,只不过make是可以配置的。

哈佛公开课 - 计算机科学课程节选

At least not if we try to take these claims fairly literally or take them to be metaphysical claims about the nature of death.

至少在我们从字面意义上,或从形而上学上解释死亡的本质时看不到。

耶鲁公开课 - 死亡课程节选