回复：*=*=* 《每日一句汉译英》*=*=*科技篇。

4. 《华盛顿邮报》星期日晚上报导说，据了解这份情报的西方外交官和核专家透露，伊朗已在外国科学家的帮助下完成关键步骤，克服了技术难题

Some Western diplomats and nuclear experts who are familiar with this intelligence said, Iran had finished the key steps and solved the most difficult technology problems. <<Washington Post>> reported on Sunday evening.

5. 曾在国际原子能机构工作的一名前任官员说，伊朗取得的进展包括设计、测试引发核爆炸的爆炸装置。

A former officer who used to work in the international nuclear organization states that Iran has made a big progress on nuclear explosive devices including designing and testing ignition nuclear explosion technology.