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。
At the far end of the lake, they came to huge piles of rubble which had been washed up by the water.
在湖的尽头,他们见到一大堆一大堆由湖水冲刷上岸的碎石。