Ukraine's power grid operator said a missile strike also seriously damaged the key energy facility in Ukraine's capital region.

乌克兰电网运营商表示，导弹袭击还严重破坏了乌克兰首都地区的关键能源设施。

At New York's three major airports this summer, there a key air traffic control facility is at only 54% staffing.

今年夏天，在纽约三大机场，一个关键的空中交通管制设施只有54%的人员配备。

The United Nations nuclear chief has toured Japan's tsunami-wrecked nuclear power plant, including some of the key facilities that will release treated radioactive water into the sea.

联合国原子能机构负责人参观了日本被海啸摧毁的核电站，包括一些将处理过的放射性水排放到海里的关键设施。