And that may be doing something very simple like spinning a plate or doing a forward roll.
这可能是做一些非常简单的事情,比如旋转一个盘子或做一个前滚。
PBS地球-气候变幻
And so we take this, put it in the backside over here, and then I'm gonna turn this guy around so it collects the air going forward, roll the window up.