VOA慢速英语:Nigerian President Goodluck Jonathan Admits Defeat

短语讲解：

1. He also won at least 25 percent of the vote in at least 24 states, as required by Nigeria’s constitution.

at least 至少
例句：In fact it requires at least n generators. 
事实上，它至少要有n个元素。 

2. Iran says it is willing to continue talks with six world powers for a deal on Tehran's nuclear program.

be willing to 乐于; 甘于
例句：That man will be willing to talk to you. 
那人乐意跟你聊聊。 

3. The White House said it is willing to continue the negotiations into Wednesday as long as the talks are productive.

as long as 只要;  如果
例句：As long as you succeed they are yours entirely. 
只要你胜利了，他们就对你五体投地。 

4. The department also targeted one Syria-based company and two companies in Lebanon for working with a Syrian weapons agency that the Treasury Department said had connections to Syria's chemical weapons program.

work with 与…在一起干; 从事…工作
例句：His secretaries work with system. 
他的几位秘书工作有条不紊。