2. It simply states that as far back as we can
extrapolate, the cosmos has been expanding, thinning out and cooling down.
它只不过是陈述了在我们所能逆向推论的太古之初,宇宙便已处于不断膨胀、稀释与冷却的状态中。
3. In other words, you measure the typical time it takes to complete an MMF, from start to finish, and
extrapolate to various points in the queue.
换句话说,你需要测测完成一个MMF所需要的典型时长,从开始到完成,然后推定队列中其他MMF的时长。