船在波涛起伏的海浪中剧烈摇摆。The boat rolled heavily in the troughs between the waves.伟大如穆恩者，也有状态起伏的时候。Moon, as great as he is, has had some inconsistent days.我放眼绵延起伏的群山。I looked across the mountains, ridge upon ridge....
內战加剧了经济领域的离心倾向.The civil war reinforced the centrifugal tendencies at work within the economy.把欧洲分为作战集团产生了越来越大的离心效果.The division of Europe into warring blocs produces ever - increasing centrifugal stress.控制颗粒污染物的技术包括过滤 、...