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》

Interaction occurrences add the ability to compose primitive sequence diagrams into complex sequence diagrams.

交互进行增加了功能，把原始的序列图组织成为复杂的序列图。

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This means that when you are passing primitives into a method, you get a local copy of the primitive.

这意味着要把原语传递到方法中时，会得到一个原语的本地拷贝。

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Which is why a week like the one just past is such a sobering reminder that we are always just an unanticipated disaster away from a trip into the primitive America that existed before.

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Still, there may be no starker example of the conversion of primitive improvisations into structured, commodified, and stationary technological simulation than that of Miyamoto, the rural explorer turned ludic mastermind.

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The deal would transform the relatively primitive Soviet telephone network into one utilizing high technology fiber-optic cable and switching equipment.

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