The development of production impels us continuously to study technique.生产的发展促使我们不断地钻研技术.Instinct impels the cuckoo to migrate.本能促使杜鹃迁徒.The wave behind impels the wave before.后浪推前浪....
...the courage and competitiveness which impels him to take risks...促使他冒险的勇气和竞争精神The wave behind impels the wave before.后浪推前浪.Instinct impels the cuckoo to migrate.本能促使杜鹃迁徒.The development of production impels us continu...