VOA慢速英语:Obama to Discuss Trade, Human Rights in Vietnam

strategic - adj. of or related to long-term aims or goals

advantage – n. something (such as a good position or condition) that helps to make someone or something better or more likely to succeed than others

key – adj. extremely important

lethal – adj. causing or able to cause death

maritime – adj. of or relating to sailing on the sea or doing business (such as trading) by sea

obstacle – n. something that makes it difficult to do something

dire – adj. requiring immediate action; very urgent; very serious or extreme

proceed – v. to go or move in a particular direction (figuratively)

taken into account – expression considered