Rocky mountain is a huge mountain north to western Canada, south to the southwestern United States, almost across the whole United States.

落基山脉这条巨大的北至加拿大西部，南达美国西南部，几乎纵贯美国全境。

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It's native to Europe, North Africa, Western Asia, and some parts of Canada and the United States.

它原产于欧洲、北非、亚洲西部，加拿大和美国的一些地区。

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North American grass cultivated in western United States as excellent forage crop.

原生于北美，在美国西部作为优质草料种植。

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In December, North Korea successfully launched a long-range rocket for the first time under what the United States and other Western nations say was the guise of putting a satellite into orbit.

CNN: U.S. to beef up missile defense against North Korea, Iran