课上上网不仅会抢走老师的注意力，还会伤害到那些本来就对课堂内容理解困难的学生。

Surfing the Internet during class doesn't just steal focus from the educator; it also hurts students who're already struggling to grasp the material.

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随着技术的继续进步，到某一天，一个说英语的人或许就能够去中国的大学听普通话课，讲课的内容理解起来也没有障碍。

Further technological advances may one day mean that, for instance, an English speaker in China could attend a university lecture in Mandarin and have no problem understanding the content.

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通过这样做，老师将能确定这个孩子对他正在读的内容的理解程度。

Through doing this, the teacher will be able to ascertain the extent to which the child understands what he is reading.

《柯林斯英汉双解大词典》

To use an ancient expression from the 1970's, which only John and I will appreciate, it's really hard to grok what that code is doing, to understand what it's trying to make happen.

我和约翰都会同意，70年代的一句话来概括，那就是很难理解编码的内容，以及它想要完成的工作。

麻省理工公开课 - 计算机科学及编程导论课程节选

Some chemical concepts that are important for us to all understand as we move forward and review of proteins and biochemistry, basically.

随着课程的深入,其中的一些概念,对我们全面理解课程内容至关重要

耶鲁公开课 - 生物医学工程探索课程节选

So, someone says I didn't understand what he was talking about at the end of the last lecture when he was doing the Bohr model.

所以，有人会说，我不理解老师,在上节课末尾说的内容,当他在做玻尔模型的时候。

麻省理工公开课 - 固态化学导论课程节选