| 单词 | river system |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔Wollaston Lake〕A lake of northeast Saskatchewan, Canada, draining into the Churchill and Mackenzie river systems.沃拉斯顿湖：加拿大萨斯喀彻温省东北部湖泊，流入邱吉尔河和马更些河水系美国传统〔continental divide〕An extensive stretch of high ground from each side of which the river systems of a continent flow in opposite directions.大陆分水岭：把属于同一大陆水域的河流系统分开并使它们流向相对两侧的一条延伸很长的高地美国传统〔drainage basin〕An area drained by a river system.流域：河网的排水区域美国传统〔valley〕An extensive area of land drained or irrigated by a river system.流域：由一个大河系排水或灌溉的广阔的土地区城美国传统〔watershed〕The region draining into a river, river system, or other body of water.流域：将水排入某河流、水系或其它水体的地域美国传统 |
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