VOA慢速英语:如果欧洲部署新导弹 俄将瞄准美国

intermediate – adj. between the highest and lowest levels of something

respond – v. say or do something as an answer or reaction to something that has been said or done

located – v. to be in a particular place

justify – v. give a good reason to make something seem acceptable

drone – n. a kind of small air vehicle that flies without a pilot