在你们开始游览之前，我还有一些温馨提示。

So before I leave you all to start your tour, I've just got a few tips.

youdao

告诉最终用户团队在你们开始工作之前确定这样一个人。

Tell the end-user team to identify such a person before you begin work.

youdao

现在你们开始明白了吧，牧羊是一件很辛苦的工作。

Now you're beginning to understand what hard work shepherding is.

youdao

Test 1 will be a week from Wednesday, and I will say something about that later in the week.

测试1从周三开始，持续一周，我会在之后的一周跟你们说一些东西。

麻省理工公开课 - 固态化学导论课程节选

Then after that you began to see the convergence of the old and new, the integration of the old and new.

在那之后你们开始看到新旧的聚合,新旧的整合。

麻省理工公开课 - 媒体、教育、市场课程节选

So why don't you go ahead and identify the correct electron configuration for carbon, 6 and I'll tell you that z is equal to 6 here.

所以你们为什么不开始,而且识别碳的正确的在你们做作业方面,电子构型，我会告诉你有效电荷量是。

麻省理工公开课 - 化学原理课程节选