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。
Fred realized that he had discovered an interesting and enjoyable way of making money.
弗雷德认识到,他已找到了一种既有趣又愉快的挣钱方法。