单词	sierra
释义	sierra /sɪˈɛrə / /sɪˈɛːrə/ noun 1(Especially in Spanish-speaking countries or the western US) a long jagged mountain chain.In the far north-west, the splinter-like peninsula of Lower California, with its high sierras, is a southward extension of the Sierra Nevada.... It was treated to a carefully controlled, often intimate account that explored the foothills as thoroughly as the high sierras. This meant that Sonoran rivers, which originate in the eastern sierras, had to be diverted. 2A code word representing the letter S, used in radio communication.In the phonetic alphabet, my initials are Sierra Echo (first and middle name), what is yours? Origin Mid 16th century: Spanish, from Latin serra 'saw'. Rhymes Berra, error, Ferrer, terror
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