U.S. Ambassador Caroline Kennedy Does "Koi" Dance(翻译)

theme – n. the main melody that is repeated in a piece of music

tap – v. to hit (your fingers, feet, etc.) against something lightly

wiggle – v. to move up and down or from side to side with short quick motions

catch on – v. to become popular

staff – n. a group of people who work for an organization or business