名师问答：如何提高词汇量

vocabulary – n. the words that make up a language

context – n. words that are used with a certain word or phrase and that help to explain its meaning

subtitle – n. words that appear on the screen during a movie, video or television show and that are translations of what the actors are saying

practice – v. to do something again and again in order to become better at it.

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

chart – n. information in the form of a table or diagram