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

• 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 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。
• 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。
• The lungs consist of millions of tiny air sacs.
  肺由数百万个小气囊组成。
• 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。
• 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。
• Several live worms were found in his conjunctiva sac.
  后来在门诊中发现结膜囊里有数只活寄生虫。
• 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。
• 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。
• 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。