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。

I accidentally ripped her dural sac.
我不小心撕裂了她的硬脊膜囊。
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。
Some of the models contained an air sac.
其中一些模型含有气囊。
Several live worms were found in his conjunctiva sac.
后来在门诊中发现结膜囊里有数只活寄生虫。
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。
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。
Starch grains present in the embryo sac and placenta are utilized by the embryo.
传染性腔上囊病原体存在于胚囊和胎座中的淀粉粒为胚胎所利用。
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
The lungs consist of millions of tiny air sacs.
肺由数百万个小气囊组成。
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。