VOA慢速英语:Take a Break From Essay Writing with Dialogue Journals

joy – n. happiness

alternative – n. something that can be chosen instead of something else

conversation – n. a spoken exchange between two or more people

format – n. structure

fluency – n. the ability to speak easily

frequency – n. the number of times that something happens during a particular period

dialog – n. a conversation; a discussion involving two or more groups

ground rule – n. a rule about what should be done in a particular situation