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

• 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 lungs consist of millions of tiny air sacs.
  肺由数百万个小气囊组成。
• 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。
• 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 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。
• 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。
• The peritoneal cavity is a closed sac.
  腹膜腔是一个封闭的囊腔。
• Three pregnant uterus can be open and add to simulated gestation sac;
  三个怀孕子宫都可以打开，放入模拟妊娠囊。
• 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。
• 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。