正如这本喜剧所表明的那样，在美国阿拉斯加的地下，埋藏有85.4万亿立方英尺的甲烷水合物。

As explained in this comic, there's 85.4 trillion cubic feet of methane hydrate buried under Alaska.

youdao

阿拉斯加和夏威夷过去是美国的属地。

Alaska and Hawaii were dependencies of the United States.

《新英汉大辞典》

由于他是在中西部发表演讲，他决定先说明美国历史上最严重的地震不是发生在加利福尼亚或阿拉斯加，而是1811年在密苏里州的新马德里。

Since he was speaking in the Midwest, he decided to begin by noting that the most severe earthquake in American history took place not in California or Alaska but at New Madrid, Missouri in 1811.

youdao