And this is in an isolated, in an adiabatic container.

这应该是个很简单的问题，桨轮处在一个与外界隔离额绝热环境中。

麻省理工公开课 - 热力学与动力学课程节选

Last year for the pieces that do vary year to year a bit, last year's first problem set challenged students to write their first or maybe second or third program using this environment called Scratch.

去年的教材有些地方有略微改动，去年的第一个问题集是让学生,在Scratch环境下,写下自己的第一或第二个或第三个程序。

哈佛公开课 - 计算机科学课程节选