报告称俄罗斯向朝鲜秘密运输石油

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sanction – n. an order given to limit or stop trade under international law

barrel – n. large container used as a form of measurement

crude – adj. uNPRocessed; untreated

smuggling – n. to take something into or out of a place in an illegal or secret way

authorization – n. official permission for something

credible – adj. able to be trusted or believed