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1.biography n.传记(a usually written history of a persons life) 词根记忆：bio(生命)+graph(写)+y--记录生命一传记 例:There was a biography of each musician in the concert program. 派生词：autobiography(n.自传) 2.biomedical a.生物医学的(of, relating to, or involving biological, medical, and physical science) 词根记忆：bio(生物)+medical(医学的)--生物医学的 例:Junior biomedical researchers have long assumed that their hirings and promotions depend significantly on the amount of their published work. 3.biophysicist n.生物物理学家(a person who is specialized in biophysics) 词根记忆：bio（生物）+physicist(物理学家)--生物物理学家 例:There is a striking similarity that biophysicv:sts have discovered between algae and cows. 4.biosphere n.生物圈(the part of the world in which life can exist) 词根记忆：bio(生物)+sphere(球，圈)--生物圈 例:This ecosystem is one of the fascinating paradoxes of the biosphere. 同根词：atmosphere(n.大气层)：hemisphere(n.半球) 5.bisect v.平分(to divida into two equal parts) 词根记忆：bi(两)+sect(切，割)--分成两份--平分 例:The partition bisected the room into two smaller rooms. 派生词：bisector(n．平分线) | 
