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。
I immediately embarked on an experiment which, even though if failed to get rid of the ants, kept me fascinated for twenty-four hours.
我当即动手作了一项试验,这项试验尽管没有使我摆脱这些蚂蚁,却使我着迷了24小时。