He never set foot on the land now known as the contiguous United States.

他从未踏上这片现在被称为毗邻的美国的土地。

We sometimes refer to the " contiguous United States."

我们有时会提到“毗邻的美国” 。

That's enough to cover the land area of the contiguous United States three meters deep.

这足以覆盖美国本土三米深的陆地面积。

" The lower 48" refers to the 48 states that are part of the contiguous United States.

“下 48” 指的是美国本土的 48 个州。

They're at Alice b Landrum Middle School in Ponte Vira Beach, and in the northwest corner of the contiguous United States.

他们位于彭维拉海滩的艾莉丝·兰德鲁姆中学，是美国内陆西北角的一所学校。