canall的用法和样例：
例句
- Egyptian army officer and politician who served as prime minister(1954-1956) and president(1956-1958) of Egypt and as president of the United Arab Republic(1958-1970). His nationalization of the Suez Canal precipitated an international crisis(1956).
纳赛尔湖埃及东南部和苏丹北部的一个湖。它是在20世纪60年代由于阿斯旺高水坝在尼罗河上的建设而形成的，湖水的高涨淹没了许多历史遗迹
