sac造句
2024年04月28日 00:25:33
Amniocentesis is the removal of fluid from the amniotic
sac.
羊膜穿刺术是从羊膜囊抽取羊水的技术.
The heart sounds are muffled when the pericardial
sac is distended with fluid.
当心包充满液体时心音减弱.
Starch grains present in the embryo
sac and placenta are utilized by the embryo.
存在于胚囊和胎座中的淀粉粒为胚胎所利用.