Osteogen
成骨质
🗣️ 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 answer telephones and do some typing.
我接电话和打字。
a box of pills, or a small jar of ointment,
一盒药丸、一小瓶药膏