VOA慢速英语:儿童专家抵制脸谱网的Kids Messenger

app - n. a computer program that performs a special function

animation - n. a way of making a movie by using a series of drawings, computer graphics, or photographs of objects that are slightly different from one another and that when viewed quickly one after another create the appearance of movement

emoji - n. a small digital image or icon used to express an idea, emotion, etc., in electronic communication.

manipulate - v. to deal with or control (someone or something) in a clever and usually unfair or selfish way

pediatrician - n. a doctor who treats babies and children

platform - n. a program or set of programs that controls the way a computer works and runs other programs

psychology - n. the science or study of the mind and behavior

vulnerability - n. ways that someone is easily hurt or harmed physically, mentally, or emotionally