boulder

n.

卵石，圆石；巨砾，冰砾；漂砾；

复数：boulders

1. He was unable to budge the boulder.
   他搬不动那块大圆石。
2. We hear the sound of the river rush past boulder below.
   我们听到河水奔腾而过大圆石的声音。

Caribou vein, Boulder County, Colorado
Pond soils formed from sands and sandy boulder loam
Field and laboratory tests on gravel and boulder soils
Development of the human cerebral cortex: Boulder Committee revisited.
Disturbance in Marine Intertidal Boulder Fields: The Nonequilibrium Maintenance of Species Diversity
BUZAN, Barry & Eric HERRING. The Arms Dynamic in World Politics. Boulder, London, Lynne, Rienner Publishers, 1998, 342 p.
Antarctica unveiled. David E. Yelverton. 2000. Boulder, CO: University Press of Colorado, xxv + 472 p, i...
X-MAC : A Short Preamble MAC Protocol For Duty-Cycled Wireless Sensor Networks University of Colorado at Boulder X-MAC : A Short Pre...
The Indian Foreign Policy Bureaucracy. By Jeffrey Benner. (Boulder: Westview Press, 1985. replica ed. Pp...
Béla Borsi-Kálmán. Hungarian Exiles and the Romanian National Movement, 1849-1867. Translated by Eva Pálmai. Boulder, CO & Highl...