例句與造句

1. Drag reduction by polymers
   聚合物減阻
2. Recently , one of her research focus is on understanding the intriguing and practically important phenomenon of drag reduction by polymer additives in turbulent flows
   最近，她的其中一項研究工作是理解高分子在湍流中減阻這一有趣而有重要實用性的現(xiàn)象。
3. It's difficult to find drag reduction by polymer in a sentence. 用drag reduction by polymer造句挺難的