VOA慢速英语:俄罗斯警告不要削减朝鲜的石油供应

delivery –n. the act of taking something to a person or place

interpret –v. to understand in a certain way

subsequent –adj. coming after something else

consequences –n. the results of an action or set of conditions

sanctions –n. measures taken to cause a country to obey international law usually by limiting trade

quotas –n. an official limit on the number of people or the amount of some material that is permitted

obligation –n. something required by rule or law

contravene –v. to fail to do what is required by law