Anesthetics have become a mainstay of modern medicine, and every year 27 million people in the U.S. alone benefit from the pain relief, sedation and unconsciousness that they provide.
Anesthetics have become a mainstay of modern medicine, and every year 27 million people in the U.S. alone benefit from the pain relief, sedation and unconsciousness that they provide.
麻醉药已经成为现代医学的支柱，光是美国每一年就有2700万人享受了麻醉药的好处──令他们失去知觉、镇静下来，或者失去意识。