But many were classified in Rosaceae, Leguminosae, Labiatae, Compositae etc.其中,以蔷薇科 、 豆科 、 唇形科 、 菊科等科种类较多.Butterbur and coltsfoot belong to two different genera of Compositae.蜂斗菜与款冬则是菊科不同属的两种植物.Ainsliaea fragrans Champ ,...
Carbon dating provides the archaeologist with a basic chronological framework.碳元素年代测定法给考古学家提供了基本的年代框架.He's an archaeologist and has been on a dig in Crete for the past year.他是位考古学家，过去的一年都在参与克里特岛上的一项考古发掘工作。My uncle i...