对教学这样一种复杂的任务进行反思是不容易的。

Reflection on a complex task such as teaching is not easy.

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驾驶是一项复杂的任务，人类需要很长时间才能完全掌握。

Driving is a complex task that takes humans a long time to perfect.

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与单独使用一颗立方体卫星相比，多颗卫星可以组合部署用于更复杂的任务。

Multiples can be deployed in combination for more complex missions than could be achieved by one CubeSat alone.

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We'll talk about how your normal valves function inside your heart and how your heart couldn't work in the way that it did if it didn't have valves that were doing a very complex operation many many times a day.

我们会讨论,正常的瓣膜在心脏中如何工作,以及没有这个,每天不停完成很多复杂任务的心脏瓣膜,心脏为什么,就不能正常工作了

耶鲁公开课 - 生物医学工程探索课程节选