With a shortage of chromosomes, a developing fetus will likely grow into a child with down syndrome.
如果缺省染色体,一个处于成长阶段的胚胎可能发育成一个具有不良综合症的小孩。
We use service centers at major stores. They ship goods back to our national service center for repairs.
我们采用大店服务中心,他们可把产品运送到我们的国内服务中心维修。