我们的第一节课已经结束了，在下一节课中，我要说的是检查我的邮件，电子邮件，以及语音邮件。
Our first lesson has ended, and in the next lesson I'm going to talk about checking my mail, email, and voicemail.
在这最后一课中，我们会回到第一节课所给的例子中，现在我们可以利用我们所学的关于经典力学的知识去解释欧拉盘的现象了。
In this final lecture, I return to the demonstration given at the beginning of the course, and explain the main phenomena of the Euler disk based on what we've learned about classical mechanics.
在这最后一课中，我们会回到第一节课所给的例子中，现在我们可以利用我们所学的关于经典力学的知识去解释欧拉盘的现象了。
In this final lecture, I return to the demonstration given at the beginning of the course, and explain the main phenomena of the Euler disk based on what we've learned about classical mechanics.
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