🗣️ 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。
Suppose you couldn't go on the trip.How would you feel?
假定你不能继续你的旅行，你将感觉如何？
What are you doing?
你在干什么？