原始的碳纤维材料很像布料。In its untreated state the carbon fibre material is rather like cloth.我曾在世界上最荒凉、最原始的地区工作过。I have worked in the wildest and most uncivilized parts of the world.那个部落处于比邻近部落更原始的发展阶段.The tribe's development...
Exercise has a major part to play in preventing and combating disease.体育锻炼在疾病防治方面发挥着重要作用。an overemphasis on curing illness rather than preventing it过分强调治病而不事预防The emphasis is swinging away from simply finding cures for i...