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 limited myself to two modest ambitions: to do physical exercise every morning and to read more of an evening.
我深知这些问题,于是,今年我对自己的计划要严加保密,只给自己定下两项适中的任务;每天早上锻炼身体,每天晚上多看点书。