He could turn off a light and then jump into his bed before the room got dark.

VOA: special.2009.01.24

Well, if this kinase happens to turn this protein on then you would like to have a mechanism to turn it off as well.

那么在激酶激活蛋白质后,你会希望有一种方法能够使它失活

耶鲁公开课 - 生物医学工程探索课程节选