4. 《華盛頓郵報》星期日晚上報導說,據了解這份情報的西方外交官和核專家透露,伊朗已在外國科學家的幫助下完成關鍵步驟,克服了技術難題。
According to the disclosure by the Western diplomat and nuclear expert, Iran has tackled the perplexing technical in critical steps in nuclear weapon design with the help from foreign scientist, reported by Washington Mail on Sunday Evening.