从4 -D扫描图的特写镜头可以看到，这个差不多足月的胎儿在吸食羊水。

Close-up of 4-d scan of the near full term foetus drinking the amniotic fluid.

youdao

从4 -D扫描图的特写镜头可以看到，这个差不多足月的胎儿在吸食羊水。

Close-up of 4-d scan of the near full term foetus drinking the amniotic fluid.

youdao