This involves mechanisms that are still being understood, but if you've studied some biology or read about this you've heard about the protein complex called Dicer.

人们仍然不太了解这其中的机制,但如果你学过一些生物学,或者读到过有关内容,你会听说过一种,叫做Dicer的蛋白质复合体

耶鲁公开课 - 生物医学工程探索课程节选

and you're not certain that your English sentences are being understood.

你不能肯定你说的英语对方有没有听懂。

I wonder if 课堂 - SpeakingMax英语口语达人

On the contrary, philosophy properly understood is what comes into being when one has achieved full recognition of a preexisting error.

相反，被适当地理解的哲学正是在,对前有的错误有了完整认知的时候所形成的。

耶鲁公开课 - 文学理论导论课程节选

These are some of the implications of no longer being satisfied with the way in which a sign can be understood as a concept to which we attach belatedly a signification, a signifier.

有一些意指已不满足于,符号被理解为概念的方式了,我们就再赋予它们一个含义，一个能指。

耶鲁公开课 - 文学理论导论课程节选