慢速英语:古巴燃料短缺的原因是什么？

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gasoline – n. a liquid used as a fuel, especially for motor engines

sanctions – n. an order that is given to force a country to obey international laws by limiting or stopping trade with that country

efficiency – n. the ability to do something or produce something without wasting materials, time, or energy

crude oil – n. raw oil that has not been made into gasoline

cash – n. money in any form which is immediately available

embargo – n. a government order that limits trade in some way

distribution – n. the action of providing or sharing something with others