VOA慢速英语:美韩军演可能是核协议的一部分

aircraft carriers - n. a military ship that has a large deck where aircraft take off and land

denuclearize - v. remove nuclear weapons from.

downscale - v. to make (something) smaller

K-pop - n. abbreviation of Korean pop music, is a music genre originating in South Korea

orchestra - n. a group of musicians who play usually classical music together and who are led by a conductor

presence - n. the fact of being in a particular place

flexibility - n. willing to change or to try different things