1. A river of Czechoslovakia and Germany flowing about , '7 km (725 mi) to the North Sea. It has been a major waterway since Roman times. 捷克斯洛伐克和德国的一条河，注入北海，流程，'7公里（725英里）。自罗马时代起就是一条主要水道。
2. A river of central India flowing about , 448 km (900 mi) from the Western Ghats southeast across the Deccan Plateau to the Bay of Bengal. 印度中部一河流，流程约，448公里（900英里），从西高止山向东南穿过德干高原注入孟加拉湾。
3. A river of northwestern Northwest Territories, Canada, meandering about 748 km (4'5 mi) north, west, and north again to Liverpool Bay, an arm of the Arctic Ocean. 位于加拿大西北地区西北部的一条河，流程约748公里（4'5英里），向北，后向西，再向北注入北冰洋的利物浦湾。
英英解释
n.
1. destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle
2. a British unit of length equivalent to 1,853.18 meters (6,082 feet)
3. a unit of length used in navigation; equivalent to the distance spanned by one minute of arc in lati
4. a unit of length equal to 1760 yards
5. a midwestern state in north central United States in the Great Lakes region
6. the government agency in the United Kingdom that is responsible for internal security and counterint
7. the government agency in the United Kingdom that is responsible for internal security and counterint
8. the syllable naming the third (mediant) note of any major scale in solmization
