It doesn't even make sense now, they're not used in spectroscopy anymore, but this is where the names originally came from and they did stick.

现在看它没什么道理，它们在光谱学里也不这么用了，但这些名字,从这里面起源后来就一直沿用下来了。

麻省理工公开课 - 化学原理课程节选

And you don't speak the language, but you do speak English because you've mastered these simple patterns.

你并不会说当地的语言，但你已经掌握了这些简单的句型，能够用英语交流。

There is 课堂 - SpeakingMax英语口语达人

Again, I don't want to make too much of my estimates because different people would estimate these things in different ways, but that's the theory.

再说一次，我不想太过强调我的估算,因为不同的人,会用不同的方法估算这些数据，但这只是个理论。

耶鲁公开课 - 金融市场课程节选