| 释义 | 
		boulder美 ['boʊldər]  英 ['bəʊldə(r)]  - n.(受水或天气侵蚀而成的)巨石;漂砾
 - 网络博尔德;巨砾;波尔德
 
 1.  | (受水或天气侵蚀而成的)巨石;漂砾a very large rock which has been shaped by water or the weather  |  
 n.  | 10. 圆石,卵石;【地质学;地理学】冰砾,巨砾;漂砾 10. 圆石,卵石;【地质学;地理学】冰砾,巨砾;漂砾  |  un.  | 1. 波尔德(美国内华达州与亚利桑那州间一水坝名,亦作Hoover Dam)  |  
 n.  | 2. a large fragment of rock greater than 200 mm (8 in.) in diameter  |  un.  | 1. resort city in northern Colorado, northwest of Denver, southeast of Rocky Mountain National Park, original home of the University of Colorado, opened in 1877.  |  
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