streamlines/ˈstriːm.laɪn/动词把…设计成流线型,使成流线型Streamlining cars increases their fuel efficiency.把汽车设计成流线型可以提高汽车的燃油效率。(常通过简化办事程序)使(机构)效率更高;简化Streamlining management could save at least 15 percent in costs.提高管理效率至少可以节约15%的开支。想跟读,去练习