amniocentesis的复数形式怎么写

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.Objective To investigate some questions about ultrasound localization of amniocentesis.目的探讨羊膜腔穿刺术超声定位的有关问题.Amniocentesis is the standard prena...

amniocentesis的音标：amniocentesis的英式发音音标为：[ˌæmniəʊsen'ti:sɪs]amniocentesis的美式发音音标为：[ˌæmnioʊsen'tisɪs]...

n.羊膜腔穿刺术...