And it does, so we know that we're probably on target in terms of calculating our formal charge.

而它确实是这样，因此我们知道我们很有可能,算对了我们的形式电荷。

麻省理工公开课 - 化学原理课程节选

Frost is a kind of materialist, by which I mean he calls attention to the circumstances of imagination, its limits and conditions.

弗罗斯特是个唯物主义者，这样说的原因是他引起了人们对,想象的环境的注意，它的限制和条件。

耶鲁公开课 - 现代诗歌课程节选

Delta v is going to be negative. w is going to be negative. Sorry, I got it backwards again.

这样就对外界做了功,这时候ΔV是正的。

麻省理工公开课 - 热力学与动力学课程节选

It's difficult to imagine that as an expression of genuine grief over the death of a genuinely close friend would take the form of a poem so learned, so filled with remote literary allusions and obscure opinions.

这首诗是为表达对挚友逝去的真挚悲痛,却采取了这样一种如此博学，如此充满,遥远的幻境和隐晦的观点的形式,这确实是难以想象的。

耶鲁公开课 - 弥尔顿课程节选

And so I thought about that, Yeah, that's probably true.

于是我进行了思考,对,有可能真的是这样

耶鲁公开课 - 聆听音乐课程节选

So I differentiated this object, this is my first derivative and I set it equal to 0 Now in a second I'm going to work with that, but I want to make sure i'm going to find a maximum and not a minimum, so how do I make sure I'm finding a maximum and not a minimum?

这样我就对它求出导数了,这是一阶导数,令它等于0,一会我们就要计算了,但我先确定一下是最大值还是最小值,我怎么确定是最大值还是最小值呢

耶鲁公开课 - 博弈论课程节选