She brought her children into the world at a time when obstetrics was a primitive art.

她生孩子的时候， 产科学还是一门原始医术。

《新英汉大辞典》

At the time, medicine was still a primitive quasi-science.

当时，医学仍是原始的准科学。

《柯林斯英汉双解大词典》

Fossilized remains of Acanthostega, a primitive fish, reveal that even though the animal had rudimentary limbs, it could not walk on land.

棘螈是一种原始鱼类，它的化石遗迹显示，尽管棘螈有基本的四肢，但它却不能在陆地上行走。

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And scholarship of the nineteenth century and most of the twentieth century is generally characterized by a deep-seated bias that views impurity rules as primitive and irrational taboos, and sacrifice as controlled savagery that's empty of any spiritual meaning.

十九世纪和二十世纪的大部分时期,学术界都有一个,很深层的偏见，那就是认为不纯的规则是,原始且无理的，献祭是野蛮人才干得出来的,无任何精神意义的活动。

耶鲁公开课 - 旧约导论课程节选

The process to control it is intriguing and interesting but the heart of the computer is simply this notion that we build our descriptions, our recipes, on a sequence of primitive instructions.

这个控制它的过程很耐人寻味，很有意思,但是计算机的核心仅仅只是,我们在初始指令序列上，建造描述、方法的一个概念罢了。

麻省理工公开课 - 计算机科学及编程导论课程节选

It was a little primitive establishment almost a commune in which Welles being a teenager, the grown-up will have a great time.

那是一个原始的建筑,就像一个小社区，在那里,威尔斯度过了少年。

麻省理工公开课 - 电影哲学课程节选

The current generation of virtual humans are laden with data but will look primitive a few years from now.

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Recent experience in Afghanistan, for example, has shown how hard it is to operate the basic elements of even a primitive economy in a country which has been torn apart by war.

ECONOMIST: Helping Iraq, and the world, to recover | The

It was a primitive trip with a sophisticated goal: to understand how heavy use of digital devices and other technology changes how we think and behave, and how a retreat into nature might reverse those effects.

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