It has to be part of a theory, and then trying to adjust it so it can be incorporated, you discover anti-particles.

要想使理论合理,然后试着去调整,使之和实际相符,结果就找到了反粒子

耶鲁公开课 - 基础物理课程节选

Unless, of course, you're a smoker, or you're thinking of becoming a smoker, and then maybe you should worry, because this is one of the advertisements that was airing in terms of anti-smoking campaign.

除非，当然，你吸烟的话，或者你正考虑开始吸烟，那么你可能就需要担心了，因为这是反吸烟运动的,宣传内容之一。

麻省理工公开课 - 化学原理课程节选

Most of us agree then, pleasure is intrinsically valuable; pain is intrinsically negative, unvaluable, has anti-value.

多数人都同意，快乐本身是好的;,痛苦本身是消极的，没有价值，有反价值。

耶鲁公开课 - 死亡课程节选

If somehow you could take your anti-sense molecules that you've made and you could get them into cells, then by this process of hybridization they would naturally form a pair like this.

如果你能得到合成的反义链,并能使它进入细胞,那么通过杂交,它们就能自然形成这样的一对

耶鲁公开课 - 生物医学工程探索课程节选

You may take on a long-term project and then die before you've been able to complete it; or alternatively, you may peak too soon and then continue to stick around in an anti-climactic way.

你可能承担了一个长期的项目,然后在你能完成之前就死了，或者，你可能太快达到人生高峰,然后继续在平淡中徘徊。

耶鲁公开课 - 死亡课程节选

And what we see here is now when we're combining the p, we have our 2 p x and our 2 p y orbitals that are lower in energy, and then our pi anti-bonding orbitals that are higher in energy.

这里我们看到,当我们结合p轨道时，在低能处我们有,2px和2py轨道，π反键轨道在更高的能级处。

麻省理工公开课 - 化学原理课程节选