他们脚下的石板路经过数百年的踩踏，磨得光溜溜的。The flagstones beneath their feet were worn smooth by centuries of use.他关上门,踏上了1/4英里长的下山路.He closed his door and started the quarter-mile walk down the hill.我挤出人群，踏上了自动扶梯。I pushed through the crow...
细菌凝集一团.The bacteria clumped together.在这种聚合之后, 副粘液病毒能使凝集的细胞发生融合.After this aggregation, paramyxoviruses effect fusion of the agglutinated cells.起这个作用的抗体称为凝集素.The antibodies that bring this about are called agglutinins....
Athletics South Africa was formed by an amalgamation of two organisations.南非体育协会由两个组织合并而成。We look towards the amalgamation of some of the neighborhood factories.我们指望合并一些里弄工厂.The proposed amalgamation of the two institute...