| 单词 | coulee |
| 释义 | Word Frequency coulee(ˈkuːleɪ, -lɪ) noun 1. a. a flow of molten lava b. such lava when solidified 2. Western US and Canadian a dry stream valley, esp a long steep-sided gorge or ravine that once carried melt water from a glacier 3. a small intermittent stream in such a ravine Word origin C19: from Canadian French coulée a flow, from French, from couler to flow, from Latin cōlāre to sift, purify; see colander |
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