A hydrocarbon was known to be either an alkene or alkane.某碳氢化合物已知可能是烯烃或是烷烃.Recent advance in researches of alkane uptake by microorganisms was reviewed.综述了近期在烃的微生物摄取机制方面的研究进展.Panagiotopoulos - Reid mixing rules are bette...
其他职工包括骑术指导和为徒步旅行者及野营者当向导的人员等.Other employees include riding instructors and guides for hikers and campers.他当向导来抵他的费用.The paid his way by acting as a guide.3位学生为来宾当向导.Three students acted as guides to the visitors....
His new play, Arcadia, is as intricate, elaborate and allusive as anything he has yet written.他的新剧《阿卡迪亚》和他写过的任何作品一样，错综复杂、构思精巧并且富含典故。In his fancy the Island seemed an unattainable Arcadia.在他的幻梦中,那岛屿似乎成了可望而不可及的阿卡狄亚了.She wa...