Cherty
燧石质, 石英质
🗣️ 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。
I went to see a friend of mine.
我去看了一个朋友。
Why not do a tomato experiment?
干吗不做西红柿实验呢？