VOA慢速英语:美国称制裁将持续到朝鲜无核化

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

relief –n. the removal of something painful or difficult

verifiable –adj. able to be shown as true or to have been done

provocative –adj. resulting in discussion, thought or argument

counterpart –n. someone who has the same job or purpose