coulee深峡谷；干河谷；小山谷；小溪

【使用地区】：美国西部

【释义】：

A deep ravine or gulch with sloping sides，formed by running water，that is often dry in summer；also can be a small valley or a small stream．The word derives from the French couler(to flow)．The famous Grand Coulee Dam is at the end of the deep，dry canyon called Grand Coulee that is cut by the Columbia River in Washington State．

指有流水形成的深峡谷或深沟，在夏天常常干涸；也指小山谷或小溪。此词源于法语couler，意为“流动”。著名的大古力水坝就位于被称为大古力峡谷中深而干涸的河谷末端，该河谷是由位于华盛顿州的哥伦比亚河冲刷而成的。