VOA慢速英语:医生通过大脑治疗药物成瘾

electrode – n. a point through which electricity flows into or out of a battery or other device

addiction – n. the condition of growing dependent on something

pacemaker – n. a machine for activating or controlling the heartbeat

stimulate – v. to produce activity or greater activity

alcoholism – n. a medical condition in which someone drinks too much alcohol and becomes unable to live a normal and healthy life

opioid – n. opioids are a class of drugs that include opium, heroin, and synthetic drugs such as fentanyl

ethical – adj. involving questions of right and wrong behavior

drill – n. a tool used for making holes in hard substances

battery – n. a container with one or more cells in which chemical energy is made into electricity and used to make power

adjust – v. to change