I heard astronaut Joe Allen explain how he had to learn everything he could about his life support system and then do everything he could to take care of his life support system; and then he pointed to this and he said, "Life support system."
我听过宇航员Joe Allen解释 他是如何尽可能地学习有关生命维持系统的一切 然后尽一切努力 来照顾好他的生命维持系统 之后他指着这个说道：“生命维持系统”