VOA慢速英语:科学家们研究虚拟现实是否能预防失忆

bills – n. documents that says how much money you owe for something you have bought or used

cardio – n. any type of exercise that causes the heart to beat faster and harder for a period of time

dementia – n. a mental illness that causes someone to be unable to think clearly or to understand what is real and what is not real

decline –n. to become worse in condition or quality

dress – v. to put clothes on yourself

perspective – n. a way of thinking about and understanding something such as a particular issue or life in general

towel – n. a piece of cloth used for drying things

virtual reality – n. an artificial world of images and sounds created by a computer that is affected by the actions of a person who is experiencing it