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 would keep my mind fresh for reading when I got home formwork Resisting the hypnotizing effect of television, I sat in my room for a few evenings with my eyes glued to book.
晚上下班回家看书时头脑更清醒些。有几天晚上,我极力摆脱了电视的诱惑,坐在自己的房间里,两眼盯在书上。