Opacus
a. [气](云)蔽光的
🗣️ 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。
He is the wisest man who does not think himself so.
不自以为聪明的人是最聪明的人。
After I had sat down, he said that business was very bad.
待我坐下后，他说生意非常不景气。