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

词汇讲解：

1. create vt.创造，创作
例句：Designers should create design solutions that are: 
设计师应当创作这样的解决方案。

2. resolve vt.使消释; 使分解
例句：Further work is needed to resolve this contradiction. 
解决这一矛盾需要进一步研究。 

3. change vt.改变，变更; 交换
例句：Significant change must be significantly better. 
重大改变必须是非常好的改变。 

4. negotiate vi.谈判，协商，交涉
例句：We've decided to negotiate with the employers about our wage claims. 
我们已经决定和雇主谈判关于我们的工资要求。 

5. exchange vt.交换，互换
例句：You may exchange the shirt but not return it for a refund. 
你可调换这件衬衫，但不能退货。 

6. elect vt.选举; 挑出
例句：Do they elect him leader? 
他们选他当领导了吗？ 

7. appear vi.出现，显现
例句：A material witness failed to appear in court. 
一名重要的证人没有出庭。