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

• This shaft have overcome the problems which a single air sac of a traditional one existence.
  这种轴克服了传统气胀轴单一气囊所存在的问题。
• 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。
• 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。
• 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。
• I accidentally ripped her dural sac.
  我不小心撕裂了她的硬脊膜囊。
• Some of the models contained an air sac.
  其中一些模型含有气囊。
• 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。
• 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
• 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。