此时每条染色体由一对染色单体构成,这两条联合的染色体称为四分体.At this point esch chromosome consist of a pair of chromatids and the two associated chromosomes are termed a tetrad.他积极参与了促进基督教各派大联合的运动。He was deeply involved in the ecumenical movement.雄...

“联合的”的英语可以翻译为：associated，confederate，[计] federated，confederative，federal ...