美国英语中的第二人称代词:You, You Guys, Y’all

episode – n. a television show, radio show, etc., that is one part of a series

uniform – n. a special kind of clothing that is worn by all the members of a group or organization (such as an army or team)

singular – adj. grammar : showing or indicating no more than one thing

plural – adj. grammar : relating to a form of a word that refers to more than one person or thing

greet -- v. to meet (someone who has just arrived) with usually friendly and polite words and actions