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。
Armed with the right tools and materials, newlyweds gaily embark on the task of decorating their own homes.
新婚夫妇找来合适的工具和材料,喜气洋洋地开始布置新房。