这座城市的空气污染程度曾高达可接受标准的四倍。
Air pollution in the city had reached four times the acceptable levels.
“我们海军在海上可搭载飞机的总数量，是世界其他海军搭载飞机数量总和的两倍。”美国国防部长罗伯特·盖茨去年就曾指出过。
"Our Navy can carry twice as many aircraft at sea as all the rest of the world combined," outgoing U.S. Secretary of Defense Robert Gates pointed out last year.
最终数据曾几次达到最初报告数据的四倍。
Several times, the final figure was quadruple what was first reported.
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