Suppose also that cold air, which has just passed over Alaska and Canada, is sliding southward over the northern United States.

刚从阿拉斯加和加拿大上空经过的冷空气，从美国北部缓缓南下。

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During 2000, commercial catches of Pacific salmon in Alaska exceeded 320,000 tonnes, with an ex-vessel value of over USD 260 million.

在2000年期间，阿拉斯加的太平洋鲑鱼商业捕获量超过32万吨，出舱价值超过2.6亿美元。

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As a young man, he began walking over tens of thousands of miles during his lifetime, through the south to Florida, the west to California and north to Alaska.

在他年轻的时候，他开始用一生的时间走遍数万英里，南至佛罗里达，西至加利福尼亚，北至阿拉斯加。

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The United States flag was raised over Alaska.

VOA: special.2010.02.11

She wrote about their flight in a single-engine airplane over Canada and Alaska to Japan and China.

VOA: special.2009.06.28

In 1989 a KLM 747 survived a similar experience over Alaska.

ECONOMIST: The effect on business and leisure

After "eruptive activity" last year at the Cleveland volcano, University of Alaska Fairbanks scientist Steve McNutt noted that 90% of air freight from Asia to Europe and North America flies over Alaska airspace, and hundreds of flights fly through Anchorage's air space daily.

CNN: 2 Alaska volcanoes on alert as lava flows

We also heard from City Councilman Andy DeValpine, talking about the 80 surveillance cameras that watch over Dillingham, Alaska.

NPR: Alaska Town Watched by Eighty Security Cameras