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| drain; drainage channel | |||
| watercourses | |||
| stream | |||
| water course; watercourse A natural stream arising in a given drainage basin but not wholly dependent for its flow on surface drainage in its immediate area, flowing in a channel with a well-defined bed between visible banks or through a definite depression in the land, having a definite and permanent or periodic supply of water, and usually, but not necessarily, having a perceptible current in a particular direction and discharging at a fixed point into another body of water | |||
| watercourse | |||
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| draws; runs; sloughs | |||
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waterloop : 41 短语, 11 学科 |
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| 卫生保健 | 1 |
| 地球科学 | 1 |
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| 生命科学 | 17 |
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| 自然科学 | 1 |