It's because he's already dead. 是因为他已经死了

180. What?
     会怎么样
181. We suppose to just stand here and watch him die?
     我们就站在这看着他死吗
182. If he doesn't respond to tests,
     他对这些检查都没有反应
183. It's because he's already dead.
     是因为他已经死了
184. Technically. Legally.
     学术 法律上的说法
185. Actually, Izzie. Actually dead.
     事实 伊兹 事实是死了
186. - He's breathing. He has heart beat
     可他还在呼吸 还有心跳

来自《实习医生格蕾 第一季 第三集 Grey's Anatomy S01E03》第 183 行