DuPont has offered the technology to fluoropolymer manufacturers globally in a royalty - free exchange.并且,杜邦已将这一技术免费提供给全球范围内的氟聚合物制造商.The preparation methods and materials such as ( fluoro - monomer ) and fluorosurfactant...
He was a stern critic but an extremely kindly man.他是个苛刻的批评家，但却是个非常善良的人。I left Oxford in 1961 hungry to be a critic.我于1961年离开牛津，渴望成为一名评论家。Alexander Lazarus is a food critic for the newspaper.亚历山大·拉扎勒斯是为该报撰稿的饮食评论家。...
The concurrence of their disappearances had to be more than coincidental.他们同时失踪肯定不仅仅是巧合。The doctor may seek the concurrence of a relative before carrying out the procedure.医生可以征得亲属的同意后再施行此项手术。Any change ought not to be m...