拖把和水桶a mop and bucket旅馆清洁工拿着水桶和拖把进来.The hotel cleaner entered carrying a bucket and a mop.那个侍女把拖把放进桶里浸湿,用来擦地.The maid plunged the cloth into the pail and cleaned the floor....
科的相似性,如马鞭草科与唇形科的相似性,是进化上的趋同造成的.The resemblance of families such as the Verbenaceae and Labiate is the result of evolutionary convergence.其中,以蔷薇科 、 豆科 、 唇形科 、 菊科等科种类较多.But many were classified in Rosaceae, Leguminosae, La...