SAC

英

美

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

复数：sacs　

TOEFL医学

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

柯林斯词典

• 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。

双语例句

• Syringomyelia is a condition where a fluid filled sac develops in the spinal cord.
  脊髓空洞症是一种脊髓病变，脊髓内形成包含液体的囊。
• 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 CPC makes policy decisions and supervises the Cabinet, or State Administration Council ( SAC).
  中央人民委员会制定国家方针、政策和决策并且监督、指导权利机关或者国家管理委员会（SAC）对其进行贯彻、实施。
• I accidentally ripped her dural sac.
  我不小心撕裂了她的硬脊膜囊。
• 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。
• The lungs consist of millions of tiny air sacs.
  肺由数百万个小气囊组成。
• 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
• Gallbladder: Muscular membranous sac under the liver that stores and concentrates Bile.
  胆囊：见于许多脊椎动物的肌性膜性囊，用以贮存及浓缩胆汁。
• These abnormalities would cause the abnormal structure of mature embryo sac.
  这些异常可能最终导致多种结构异常成熟胚囊的形成。
• 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。