That came as a U.N. agency reported that centrifuges at Iran's Natanz nuclear site are now enriching uranium.

当时，一个联合国机构报告说，伊朗纳坦兹核电站的离心机正在浓缩铀。

Iran has told the International Atomic Energy Agency it intends to install new centrifuges at its nuclear plant in Natanz.

伊朗告诉国际原子能机构，本国将在纳坦兹的核电站安装新的离心机。

Iran had, he said, both developed a new centrifuge and increased its enrichment capacity at Natanz from 6,000 to 9,000 centrifuges.

他说，伊朗已经研发出了一种新的离心机，并将纳坦兹的铀浓缩容量由6000台扩容至了9000台。

In a statement, the White House said it knew about the Natanz attack and that " the U.S. was not involved in any manner" .

白宫在一份声明中表示，他们已知晓纳坦兹核中心遇袭事件，" 美国没有以任何方式介入" 。