VOA慢速英语:Preserving Street Art in Washington, DC

controversial – adj. relating to or causing much discussion, disagreement, or argument

conversation – n. an informal talk involving two people or a small group of people​

cultivate – v. to grow and care for​

embrace – v. to accept (something or someone) readily or gladly​

feature – v. to have or include (someone or something) as an important part​

gang – n. a group of criminals​

graffiti – n. pictures or words painted or drawn on a wall, building, etc.​

hierarchy – n. a system in which people or things are placed in a series of levels with different importance or status​

hire – v. to give work or a job to (someone) in exchange for wages or a salary​

interact - v. to talk or do things with other people​

mural – n. a usually large painting that is done directly on the surface of a wall​

priority – n. something that is more important than other things and that needs to be done or dealt with first​

sensitive – adj. aware of and understanding the feelings of other people​

vandalize – v. to deliberately destroy or damage (property)​