Acrinamin
奎納克林
??? 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。
Would you like a cigarette?
你要不要吸煙？
It's too good to be true!
好得難以置信。