| 释义 |
Grand Coulee
Grand Coulee A gorge, about 65 km (40 mi) long, of north-central Washington, carved by the Columbia River. It is fed by water from the Grand Coulee Dam (built 1933-1942).Grand Coulee (ˈkuːlɪ) n (Placename) a canyon in central Washington State, over 120 m (400 ft) deep, at the N end of which is situated the Grand Coulee Dam, on the Columbia River. Height of dam: 168 m (550 ft). Length of dam: 1310 m (4300 ft)Grand′ Cou′lee (ˈku li) n. 1. a dry canyon in central Washington: cut by the Columbia River in the glacial period. 52 mi. (84 km) long; over 400 ft. (120 m) deep. 2. a dam on the Columbia River at the N end of this canyon. 550 ft. (168 m) high. Grand Coulee
Grand Coulee a canyon in central Washington State, over 120 m (400 ft.) deep, at the N end of which is situated the Grand Coulee Dam, on the Columbia River. Height of dam: 168 m (550 ft.). Length of dam: 1310 m (4300 ft.) Grand Coulee a canyon on the northern Columbia plateau in the northwestern United States. It was formed by torrents of glacier waters cutting through a mass of basalt. Length, approximately 70 km; width, 2.5–7 km; depth, up to 270 m. It opens into the Columbia River valley near the city of Grand Coulee. The canyon bottom is generally dry, although there are some freshwater or saltwater lakes. AcronymsSeeGC |