I could take an unknown gas and put it in and measure it and then say, wow, those are the lines that are characteristic of sodium.

我取一种未知气体，把它放到管里,然后检测它，哇，这些线是钠的特征。

麻省理工公开课 - 固态化学导论课程节选

Because of the sort of particular character of the bassoon sound, it's often used to play sort of funny, little low-note characters in the orchestra.

由于巴松管的声音有这种特点,它总是用来表现幽默,在管弦乐队中演奏比较低沉部分

耶鲁公开课 - 聆听音乐课程节选

But otherwise, just don't worry about it because you will be only heard.

除此之外,就不要管它了,因为观众最多只能听见你的声音

耶鲁公开课 - 基础物理课程节选

But some ways you could ask, who cares? What does it matter?

但同时有些人会说,管它呢,这又有什么大不了的呢

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

You don't know what to do yet with it so don't worry.

你们现在还不知道怎么做，所以不用管它。

耶鲁公开课 - 心理学导论课程节选

And the first crack was a movie that's so long that it used to be the janitors, the people who cleaned these-- the very nice people who cleaned these rooms used to call it a two six-pack movie because it was so long.

第一个漏洞是一部特别长的电影,以前那个楼管,打扫卫生的,给这些教师打扫卫生的优秀工作者,以前管它叫一打啤酒电影因为太长了

耶鲁公开课 - 1871年后的法国课程节选

That's it. Again, these other p dxy dyz - or the d x y, d y z, those are going to be those more complicated linear combinations, you don't need to worry about them.

同样，这些p轨道,或者，它们是一些,很复杂的线性组合，你们，不用管它。

麻省理工公开课 - 化学原理课程节选

It doesn't actually have an electron in it, so we don't have to worry about whether it's very high in energy or not, we don't care that it's high in energy.

你也许会想，为什么我们不杂化这个2py轨道,它里面没有电子，所以我们不用管它的能量。

麻省理工公开课 - 化学原理课程节选