"They are around and they stand the test of time because they can still raise questions about what we are going through today."

VOA: standard.2010.04.08

So a bit of uninteresting math, a bit of focus on sizes of types, but any questions on syntax or concepts thus far before we now put this to the test?

一些比较无趣的数字，一些关于类型的大小,在我们现在进行试验之前,你们对这其中的语法或概念有什么问题吗？

哈佛公开课 - 计算机科学课程节选

So as people in the back are answering these questions because they want to test my arm.

坐在后面的人回答我的问题,就是想要试试我的手臂力量。

麻省理工公开课 - 计算机科学及编程导论课程节选

We were using a test-chat room, test space chat room, where they were able to communicate with Professor Low, to ask questions and to exchange views and to have this feedback on their projects.

我们利用聊天室，进行测试，在那里,学生能和Low教授沟通，问问题，交流观点,并获得有关项目的反馈。

麻省理工公开课 - 媒体、教育、市场课程节选