VOA慢速英语:美国民众抗议警察开枪打死黑人

arsonist – n. someone who sets illegally fires to buildings and other things

shirt – n. a piece of clothing worn on the upper body

indication – n. sign

focus – n. the center of interest or activity

scene – n. the place where an incident takes place

district – n. an area of a city of country; neighborhood

shopping – n. the activity of purchasing goods from stores