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。

ObjectiveTo study the effects of glycyrrhizin on intestinal absorption of paeoniflorin by the everted rat gut sac model.
目的研究甘草酸对芍药苷大鼠肠吸收的影响。
ObjectiveTo study the clinical effectiveness of a modified laparoscopic high ligation in treatment of inguinal hernial sac in infants.
目的探讨改良的腹腔镜下疝囊高位结扎术治疗小儿腹股沟斜疝的效果。
The peritoneal cavity is a closed sac.
腹膜腔是一个封闭的囊腔。
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。
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
Surgical methods included direct searching method, curved needle method and lacrimal sac incision.
手术方法分别采用直接寻找法，弯针法，泪囊切开法。
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。
In the first method, one drop of this dilution is dropped into the conjunctival sac.
第一种方法是将一滴这种稀释液滴入结膜囊。
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。