美国西部
the region of the United States lying to the west of the Mississippi River
同义词： West
美国西部
美国西部（Western United States）泛指美国西部各州。由于美国自建国以来疆域多次向西扩展，因此美国西部的定义也随着时代而变化。
... western united co 西方联合公司 western united states 美国西部; 西美 chicago great western 芝加哥大西铁路公司 ...
Now there are some pretty interesting caves in parts of the western United States, especially in national parks.
现在在美国西部的一些地方有一些非常有趣的洞穴，尤其是在国家公园里。
They're a type of rodent who, who burrow in the ground in the grasslands of the western United States and Mexico.
它们是一种啮齿类动物，在美国西部和墨西哥草原的地上挖洞。
Wildfires are becoming an increasing menace in the western United States, with Southern California being the hardest-hit area.
森林大火对美国西部的威胁越来越大，其中南加州是受灾最严重的地区。
There used to be a time when the quickest way to travel across the western United States was in a stagecoach.
VOA : special.2010.04.26
Western countries, and especially the United States say, "We have a big pharmaceutical industry that develops new drugs.
西方国家，尤其是美国宣称，我们拥有研发新药品的大制药业。
公正课程节选 : 耶鲁公开课
In the 1830s 600,000 immigrants came to the United States, almost entirely from Western Europe; in the 1840s alone 1.5 million; and in the 1850s,almost 3 million more.
十九世纪三十年代,约有六十万人移居美国,几乎全部来自西欧,仅在四十年代,就有一百五十万移民,而在五十年代,又多了三百万
美国内战与重建课程节选 : 耶鲁公开课
But in the western United States, there are highways where the speed limit is one hundred twenty-five kilometers an hour.
VOA : special.2010.04.26
In the western United States, mountain snow provides up to seventy-five percent of all surface water supplies.
VOA : special.2010.01.05
Coastal residents of the western United States should hunker down for a smoggy summer and fall, NASA scientists say.
Tropical wildfires are different from the ones that happen in temperate woodlands, for example in the western United States.
On the one hand, there's a hope that issues specific to the Western United States will suddenly become prominent.