The dry mountain ranges of the western United States contain rocks dating back 440 to 510 million years, to the Ordovician period, and teeming with evidence of tropical marine life.

美国西部干燥的山脉包含了距今4.4亿至5.1亿年前的奥陶纪岩石，其中充斥着热带海洋生物生存的迹象。

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The grain production in dry mountain area of eastern Qinghai makes up large proportion in the whole country.

青海东部山旱区的粮食生产，在全省占有极大的比重，长期以来，因自然条件恶劣；

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The site is located in an ecosystem called High Jungle, which ranges from dry mountain forests at low elevations to the mountaintop vegetation.

它位于称为高丛林的生态系统中，从低海拔的干燥山林延伸到山顶的植被。

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The skin is used as compost, while the beans are raked out to dry in the mountain air.

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About 250km (150 miles) to the north, in neighbouring Shanxi province, in Pingdong, a much poorer village, 250 people live along battered dirt roads, and try to grow wheat, corn, soyabeans and winter melon on the dry, rocky mountain land.

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Mountain chaparral and shrubs are dry because Los Angeles has received only half of its normal rainfall the past two years, Myers said.

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