??? 情景例句
With a shortage of chromosomes, a developing fetus will likely grow into a child with down syndrome.
如果缺省染色體，一個處于成長階段的胚胎可能發育成一個具有不良綜合癥的小孩。
While we were having breakfast,John was talking on the telephone.
當我們正在吃早餐時，約翰正在打電話。
Bill Frith's garden is larger than Joe's.
比爾。弗里斯的花園比喬的花園大，