“胚胎”造句

8星期大的胚胎只有一英寸长。
An eight-week-old embryo is only an inch long.

胚胎研究是个容易引起激烈争论的问题。
Embryo research is an emotive issue.

胚胎的性别早在受精时就决定了。
The sex of the embryo is predetermined at fertilization.