And you may think that anesthetics work by sending you into some deep sleep, or by blocking your receptors so that you don't feel pain, but in fact most anesthetics don't work that way.
没准你会认为麻醉药的工作原理是 让你熟睡， 或者阻断感知器官，使你感不到疼痛， 不过，实际上多数麻醉药不是这么工作的。