One of the oxygen tanks failed to empty normally during the ground test.

VOA: special.2009.07.22

The test is Wednesday the 29th, and it will be written during the normal class time.

测试是在周三29号，并且在正常上课时间进行。

麻省理工公开课 - 固态化学导论课程节选

Is there a limit to the type of calculator one can use during the test?

我们能在测试中使用的计算器,有没有什么限制？

麻省理工公开课 - 固态化学导论课程节选

Now we can't do this during a test in here.

我们在这里不能这么做

耶鲁公开课 - 聆听音乐课程节选