如果你这样做了，你已经准备好坐下来开始学习了。

Once you have did this, you are ready to sit down and study.

youdao

不论你目前的英语水平如何都是可以提高的，因此，你不必为自己的英语不好而气馁，但是你必须从现在开始就要开始学习了。

English level can be improved no matter how low it is. So students do not have to be discouraged if your English is bad but you have to start to learn now.

youdao

我得开始认认真真地学习了。

I'm going to have to knuckle down to some serious study.

《牛津词典》

So, my perfect pre-med/bio plan was getting a little shaken right from the start, and the reason that it was getting taken was because I would learn this new principal in chemistry and because I was taking bio with the same time, I could see the connections.

所以我的完美的医学预科,和生物学的计划，从一开始就小小的动摇了,原因就是我一边学习这些化学原理,一边学生物,我可以看到两者之间的关联。

麻省理工公开课 - 化学原理课程节选

Sure. One of the best ways to learn any language regardless of its origins is

当然了。无论它如何开始，学习任何语言最好的方法之一就是，

如果想提高英语水平 - SpeakingMax英语口语达人

And then, towards the end of the lecture, we started looking at reactivity.

课程结束的时候，我们开始学习了反应性。

麻省理工公开课 - 固态化学导论课程节选