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 chorion and amnion are foetal membranes that contribute to the placenta and the foetal sac respectively.
  绒毛膜和羊膜是分别形成胎盘和羊膜囊的胎膜组织。
• The lungs consist of millions of tiny air sacs.
  肺由数百万个小气囊组成。
• Objective: To evaluate the feasibility of treatment of hemorrhage in cesarean section with intrauterine water sac oppressing.
  目的：评估宫腔内水囊压迫治疗剖宫产术中大出血的可行性。
• 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。
• The yolk sac and yolk stalk on one of them were well preserved.
  观察了三例人胚外形，其中一例还有保存良好的卵黄囊和卵黄蒂。
• 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
• 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
• 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。
• 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。