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.这种四分体最终萎缩或被再吸收.The tetrads eventually shrivel or are resorbed.结果形成二分体孢子...
Have you ever considered appointing us as your sole agent in Brazil?你是否考虑过委托我们作为在巴西的独家代理.In 1987 the Socialists took the unprecedented step of appointing a civilian to command the force.1987年，社会党人史无前例地任命了一位非军队出身的人来指挥军队。A...
Precious few homebuyers will notice any reduction in their monthly repayments.极少数购房者会注意到他们月还款额的减少。It's not a case of whether anyone would notice or not.这不是会不会有人注意到的问题。Interest is paid monthly. Three months' not...