VOA慢速英语:伊朗指挥官称美国海军不属于波斯湾

ensure – v. make sure something happens

alien – n. belonging to a foreign country

sanction – n. measure put in place to cause a country to obey international law, usually by limiting or banning trade

commerce – n. activities involved in buying and selling things

strictly – adv. exactly or correctly

beneficial – adj. helpful or useful

meritless – n. worthless or underserving

sovereign – adj. having independent power to govern