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。
In a short time I was busy mixing butter and flour and my hands were soon covered with sticky pastry.
不一会儿我就忙着调拌起了黄油和面粉,很快我的手上就沾满了粘粘的面糊。