This is just a general historical irony that surely at some point besets all revolutionary movements, and it's an irony that particularly appalled John Milton.

这是个普遍的历史讽刺,当然这也在某种情况下困扰了所有的革命活动，这也是让弥尔顿特别惊异的讽刺。

耶鲁公开课 - 弥尔顿课程节选

To watch people who might be a little bit uncomfortable in a situation,

看那些在某种情况下可能会有点儿不自在的人，

去溜冰场 - SpeakingMax英语口语达人

Since we're talking about wave functions, since we're talking about the properties of waves, we don't only have constructive interference, we can also imagine a case where we would have destructive interference.

因为我们讨论的是波函数，因为我们讨论的是波的性质，我们不仅有相长干涉，我们也可以想象在,某种情况下会有相消干涉。

麻省理工公开课 - 化学原理课程节选

You will like using "there is no" because it helps you to explain when you don't want something to occur in a situation.

你会喜欢“there is no”句型的，因为它可以用来表达你不希望在某种情况下发生某事。

There is no 课堂 - SpeakingMax英语口语达人

De Broglie has said electrons, under certain circumstances, can be modeled as behaving as though they are waves.

德·布罗意说过电子，在某种特殊的情况下，也可以运转，即使它们都只是波。

麻省理工公开课 - 固态化学导论课程节选