VOA慢速英语:美国一科技公司寻求在内达华州建设加密智慧城市

cryptocurrency – n. a digital currency that is designed to work as a medium of exchange

infrastructure – n. the basic equipment and structures (such as roads and bridges) that are needed for a country or region

skepticism – n. an attitude of doubting the truth of something (such as a claim or statement)

incentive – n. something that encourages a person to do something or to work harder

battery – n. a device that is placed inside a machine (such as a clock, toy or car) to supply it with electricity

comfortable – adj. causing no worries, difficulty, or uncertainty