其实我们知道这个问题的答案。

But in fact, we know the answer to this.

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其实我们知道。

Actually, we know.

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“其实我们知道你失败了，”这封发布在Facebook和周一Dagbladet新闻报的信里说。

"Know that you failed," said the letter posted on Facebook and published Monday in the Dagbladet newspaper.

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So this means we can actually calculate this for any molecule that we've drawn the Lewis structure for, because we actually do need to draw the Lewis structure before we know, for example, how many of each of these we have, or at least go through the rules.

这意味着我们可以将原来画过,路易斯结构的分子的形式电荷计算出来，因为我们其实在画出,路易斯结构之后才能知道，比如，这些量的值是多少，或者至少我们需要经过前面的那些步骤。

麻省理工公开课 - 化学原理课程节选

We go that far and we still haven't heard the home pitch.

我们其实早已经知道的,只是还没听到而已

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But variola, which causes smallpox in humans, and vaccinia, which causes a disease called cowpox in cattle, turned out to be, we now know, viruses that are molecularly very similar.

但是导致天花的人痘病毒,和导致牛痘,的牛痘病毒,后来发现其实是,我们现在知道,这两种病毒在分子水平上十分相似

耶鲁公开课 - 生物医学工程探索课程节选