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

• The lungs consist of millions of tiny air sacs.
  肺由数百万个小气囊组成。
• Amniocentesis is the removal of fluid from the amniotic sac.
  羊膜穿刺术是从羊膜囊抽取羊水的技术。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。