Oh, and by the way, he has the power to spin planets on his finger and he's a boy scout.

哦，顺便说一下，他有用手指旋转行星的能力，他是个童子军。

At night, the cranes let gravity pull the blocks down and use the resulting power to spin generators.

到了晚上，起重机让重力将石块拉下来，并利用由此产生的动力来旋转发电机。