With a shortage of chromosomes, a developing fetus will likely grow into a child with down syndrome.
如果缺省染色體,一個(gè)處于成長(zhǎng)階段的胚胎可能發(fā)育成一個(gè)具有不良綜合癥的小孩。
Some things are collected deliberately in the home in an attempt to avoid waste.
居家度日,有目的地收藏某些東西是為了防止浪費(fèi)。