And actually before we start into today's topics, I want to remind everyone and hopefully you all do remember that our first exam is coming up and it's coming up in exactly a week, so it'll be a week from today, next Wednesday.

实际上在这之前，我还要提醒大家一下,希望大家都记得,我们的第一次考试就要到了,就在下周，距离今天正好一周，下周三。

麻省理工公开课 - 化学原理课程节选