He has been studying archeology these thirty years.他这三十年来一直在研究考古学.He was an expert in agriculture archeology, and medicine.他是农业考古学的专家, 和药.She versed herself in Roman archeology.她精通罗马考古学....
综述了桥连或取代环戊二烯基 ( 茚基 ) 铁—铁键羰基化合物的研究进展.The progresses in bridged or substituted cyclopentadienyl ( and indenyl ) RuRu Bond carbonyl complexes are summarized....