sac
英[sæk]美[sæk]
n.
1.（动植物组织中的）液囊
1.（动植物组织中的）液囊
| 同： |
- An air-filled sac or structure that aids in the flotation of an aquatic organism.
气囊水生动植物器官中用来帮助飘浮用的充满气体的囊或结构。收藏 - 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。收藏 - The peritoneal cavity is a closed sac
腹膜腔是一个封闭的囊腔。收藏 - "a sac that is inserted into a body cavity or tube and distended with air or gas for therapeutic purposes, such as angioplasty."
出于治疗目的而插入体腔或体管内的充满空气或其他气体的囊,如血管成形术。收藏 - A protective fluid-filled amniotic sac encloses and cushions the fetus.
充满液体的羊膜包裹并保护胎儿缓和震动。收藏
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