VOA慢速英语:美国与欧盟集体驱逐俄外交官

shopping center – n. an area of building filled with stores

aerospace – n. an industry that deals with travel in and above the Earth's atmosphere and with the production of vehicles used in such travel

covert – adj. done in a secret way

consequences – n. something that happens as a result of a certain action or set of conditions

misconduct – n. wrong behavior

adequate – adj. enough for some need or requirement