SAC

英

美

abbr. 南方空军司令部（南非）(Southern Air Command)

复数：sacs　

Collins.1 / BNC.16085 / COCA.17836

牛津词典

noun

（人、动植物体内的）囊，液囊，气囊
a part inside the body of a person, an animal or a plant, that is shaped like a bag, has thin skin around it, and contains liquid or air

N-COUNT (动物体内的)囊，液囊，气囊
Asacis a small part of an animal's body, shaped like a little bag. It contains air, liquid, or some other substance.
1. The lungs consist of millions of tiny air sacs.
  肺由数百万个小气囊组成。

Objective To observe the application of amniotic membrane in conjunctival sac plasty.
目的总结羊膜在结膜囊成形术中的应用及临床疗效。
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。
Study of Antibiotics and Conjunctival Sac Wash Before Cataract Surgery
白内障患者术前使用抗生素和结膜囊冲洗的临床研究
Three pregnant uterus can be open and add to simulated gestation sac;
三个怀孕子宫都可以打开，放入模拟妊娠囊。
The peritoneal cavity is a closed sac.
腹膜腔是一个封闭的囊腔。
The yolk sac and yolk stalk on one of them were well preserved.
观察了三例人胚外形，其中一例还有保存良好的卵黄囊和卵黄蒂。
The experiment was conducted to study the nutrition absorption and utilization in yolk sac of fasting gosling.
以扬州鹅初生雏鹅为试验对象，研究在绝食条件下雏鹅对卵黄囊营养吸收与利用的规律。
Embryo sac and embryo development and embryo rescue in Lilium distant cross
百合远缘杂交的胚囊和胚胎发育及胚拯救
On midsagittal images, AP dural sac diameter and the upper-endplate angles of L1 and S1 were measured.
在正中矢状位图像上测量了L1和S1水平的硬脊膜囊的前后径和上终板角。
The chorion and amnion are foetal membranes that contribute to the placenta and the foetal sac respectively.
绒毛膜和羊膜是分别形成胎盘和羊膜囊的胎膜组织。