The moon god has to come up at night and hang around for a while And go back down.

月神每晚都得出来，并且在天空悬一会儿,然后才能回去。

耶鲁公开课 - 旧约导论课程节选

You start here and you fire a projectile It's going to go up and it's going to come down.

从这开始,你抛出一个物体,它将上升至一定高度然后落下

耶鲁公开课 - 基础物理课程节选

You start off and you go down, down, down, and then you come up, then you get your first REM cycle, again, again, again, again, again, and then you wake up.

从第一阶段开始，到下面的阶段，然后又往上，这时就出现REM睡眠，然后再一次次地循环，直到你睡醒。

耶鲁公开课 - 心理学导论课程节选

So, we know it's going to go up and turn around and come down.

我们知道物体会先上升然后调转方向下落

耶鲁公开课 - 基础物理课程节选

There is this building and it's going to be 15 meters high, and I'm going to throw something and it's going to go up and come down.

这是一栋大楼,它有15米高,我会抛出某个物体,它将先上升后下降

耶鲁公开课 - 基础物理课程节选