VOA慢速英语:US, Iranian Diplomats Continue Talks on Iran's Nuclear Program

短语讲解：

1. Diplomats are working to create a plan to make sure Iran’s nuclear program is peaceful in exchange for the U.S. lifting economic restrictions.

make sure 务必
例句：Make sure the passengers are strapped in(to their seats) before driving off.
开车前请乘客务必系好安全带. 

2. Officials say at least eight people have died, but they expect to find more deaths when they are able to explore some of the smaller islands.

at least 至少
例句：For that day at least he lost heart. 
至少这一天他是垂头丧气的。 

3. Aid workers are now concerned about disease.

concern about 使（自己）关心…
例句：She showed great concern about you. 
她很为你担心。 

4. However, thousands of protesters in Rio de Janeiro sang the national anthem and shouted, “Dilma, out!”

thousands of 数千的
例句：The game drew thousands of spectators. 
这场比赛吸引了数千名观众。 

5. No single party is expected to win more than one-fourth of the 120 seats in the parliament.

more than 多于
例句：True friendship is worth more than money. 
真正的友谊比金钱更有价值。