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。
The garden was soon littered with chunks of metal which had once made up a lawn mower.
一会儿工夫,割草机便被拆成一个个金属零件,乱七八糟地堆在花园里。