VOA慢速英语:在暴风雨中保持安全

bolt – n. a stroke of lightning

tip – n. a piece of useful or secret information

concrete – n. a hard, strong material that is used for building and made by mixing cement, sand, and broken rocks with water

plumbing – n. a system of pipes that carries water through a building

conduct – v. to have the quality of transmitting light, heat, sound, or electricity

resuscitate – v. to bring (someone who is unconscious, not breathing, or close to death) back to a conscious or active state again

pulse – n. the beat resulting from the regular widening of an artery in the body as blood flows through it

cardiopulmonary compression – n. a procedure designed to restore normal breathing after cardiac arrest that includes the clearance of air passages to the lungs, mouth-to-mouth method of artificial respiration, and heart massage by the exertion of pressure on the chest : cardiopulmonary – adj. of or relating to the heart and lungs