OK, so w, first of all, work is being done to the system on the left hand side here.

好的，首先,我们通过左边对系统做功。

麻省理工公开课 - 热力学与动力学课程节选

w we have the environment doing work on the system OK, now we've assumed that epsilon prime is greater than epsilon.

大于零，that，is，in，this，one,在这里环境对系统做功,好，现在我们假设,ε’比ε大。

麻省理工公开课 - 热力学与动力学课程节选

When I was not accelerating and everything was at rest, ma was 0, w was mg, and w was the reading on the needle.

当我还没有加速,一切静止的时候,ma 是 0,w 就等于 mg,w 就是指针的读数

耶鲁公开课 - 基础物理课程节选

The efficiency for the one on the left q1 is minus w over q1, The efficiency prime for the one on the right is minus w prime over q1 prime.

左边的效率是,负w除以，右边的效率是,负w一撇除以q1一撇。

麻省理工公开课 - 热力学与动力学课程节选