VOA慢速英语:US Officials Turn to Schools to Help Students Deal with Violence

counselor - n. a person who gives students advice

cafeteria - n. a room in a school where people get food at a counter and carry it to a table for eating

wallet - n. a small folding case that holds paper money, credit cards

appreciation - n. an ability to understand the worth, quality, or importance of someone

reassure - v. to make someone feel less afraid, upset, or doubtful

trauma - n. a very difficult or unpleasant experience that causes someone to have mental or emotional problems usually for a long time

stand-off - n. an argument, competition of conflict in which there is no winner