The explorer told the boys about his adventures in the Arctic.
那位探险家把他在北极的冒险活动讲给男孩子 们听。
German geophysicist, meteorologist, and explorer who proposed the theory of continental drift.
韦格纳，阿尔弗烈德·洛泰1880－1930德国地球物理学家、气象学家和探险家，他提出了大陆漂移理论
Christopher Columbus was one of the great explorers.
克里斯托弗·哥伦布是伟大的探险家。
