科学家仍然不知道是什么触发了单侧巨脑畸形神经元的增殖。

Scientists still don't know what triggers the proliferation of neurons in unilateral megalencephaly.

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人们仍然不知道宇宙是如何形成的。

It is still unknown how the universe came into existence.

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我仍然不知道我不在家的时候发生了什么事。

I still don't know what happened while I was away from home.

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We've had a great deal to do with it, but of course we still haven't the slightest idea what it is.

我们花了很大的功夫来接解决这个问题，但我们仍然一点都不知道语言是什么。

耶鲁公开课 - 文学理论导论课程节选

And to start with some real examples, a lot of this infant research has gone back to the Piagetian question of object permanence, asking, "Is it really true babies don't know that objects remain even when they're out of sight?"

下面给大家介绍一些实例,许多的婴儿研究都回到了,皮亚杰的客体永存性问题上,去探讨,"婴儿是否真的不知道,物体即使离开视线也仍然是存在的"

耶鲁公开课 - 心理学导论课程节选