Realize that there's an inevitably challenge for us and actually helping people in this kind of context, especially as the deadline really approaches.

这对我们来说是一个不可避免的挑战,需要在这种环境下帮助人们，特别是当最后期限要接近了。

哈佛公开课 - 计算机科学课程节选

She needs to know this enzyme works by both acid base chemistry, and oxidation reduction.

她要知道酶催化，她需要知道这种酶,在酸碱环境下的反应和氧化还原反应。

麻省理工公开课 - 化学原理课程节选

The adult learner has enormous pressures on them to not take time out to learn, but instead to continue working in their working environment and in the context that they are in the day-to-day environment.

成年学者压力很大,他们不能抽出时间学习，只能在工作场所,不停地工作,在这种情况下,他们每天处于一个环境。

麻省理工公开课 - 媒体、教育、市场课程节选