My niece drew a picture of my family once when she was three.

我侄女三岁时画了张全家福

耶鲁公开课 - 死亡课程节选

Another family is receptor tyrosine kinases, I'll show another picture in a moment that tells you more about what a kinase is, but a kinase is basically an enzyme that can add a phosphorous to another molecule.

另一类是酪氨酸激酶受体,马上我给你们看另一张图,这张图会更详细地告诉你们激酶是什么,激酶是一种能够,向其他分子上添加磷酸基团的酶

耶鲁公开课 - 生物医学工程探索课程节选