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。
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。
Application of digital imaging technique in quantitative analysis of blood vessels in chick embryo yolk sac membranes
数字图像分析技术在鸡胚卵黄囊膜血管形成模型中的应用
Objective: To evaluate the feasibility of treatment of hemorrhage in cesarean section with intrauterine water sac oppressing.
目的：评估宫腔内水囊压迫治疗剖宫产术中大出血的可行性。
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 sac is very strong, like a balloon filled with water.
这个囊很结实，就像是装了水的气球。
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
Pollen tube entered the embryo sac via one synergid and in it released two sperms.
花粉管经由一个助细胞进入胚囊，并在助细胞中释放两个精子。
The nectar that a bee can bring back in its honey sac.
蜜蜂能装入蜜囊带回去的花蜜。
I accidentally ripped her dural sac.
我不小心撕裂了她的硬脊膜囊。