VOA慢速英语:Best Tool to Teach Baby Talk? Their Parents' Voice

respond – v. to say or write something as an answer to a question or request

content – n. the things that are in something

specific – n. the facts or details that relate to something

description – n. a statement that tells you how something or someone looks, sounds

entertainment – n. amusement or pleasure that comes from watching a performer, playing a game, etc.