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....
吉姆: 五月柱顶上垂下的长彩带,有甚麽用?Jim: What are those long ribbons hanging down from the top of the Maypole for?为了重现该国的仲夏庆典, 穿著传统服饰的舞者绕著一根五月柱跳舞.To recreate the country's Midsummer celebration, people in traditional dress danced ...