sacs

英 [sæks]

美 [sæks]

n.  (人、动植物体内的)囊，液囊，气囊
sac的复数

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 tiny individual corals are simplistic in design. They are cup-shaped sacs and have one opening that doubles as a means of both eating and excretion.
  那些小的个体珊瑚虫外形简单。它们杯状的囊只有一个开口，用来吸食和排泄。
• The pollen germination of Avena nada appeared to be normal on the stigma of Avena magna and the pollen tubes grew into the style and entered the embryo sacs.
  结果表明，六倍体裸燕麦花粉在四倍体大燕麦柱头上萌发良好，花粉管可顺利长入花柱和胚囊。
• In addition, more information about the cause of monozygotic twins could be collected in the future by a straightforward check of the numbers of placentas and sacs when the babies are born.
  另外，将来有关单卵双胞胎原因更多的信息可以直接通过出生后核对胎盘和羊膜囊的数目来获得。
• Cost-effectiveness in the laboratory: should we examine hernia sacs or calcified heart valves?
  实验室中的成本效益：我们应该检验疝气囊或钙化心瓣膜吗？
• Many frogs amplify the sound of their voices using special sacs in their throats.
  许多蛙类动物利用其喉内特殊的囊将声音放大。
• The lungs are made up of small sacs called alveoli, which fill with air when a healthy person breathes.
  肺由称为肺泡的小气囊组成，当健康的人呼吸时会充满空气。
• The fry have hatched and have huge yolk sacs.
  南联盟已孵化和巨大的卵黄囊。
• Alveoli form clusters ( alveolar sacs) connected by alveolar ducts to the Bronchioles.
  肺泡形成丛集的肺泡囊，经由肺泡管连接至支气管。
• Chloroplast membranes form elongated flattened fluid-filled sacs called thylakoids.
  在叶绿体基质中，有许多由膜封闭形成的扁平小囊，称为类囊体。
• Your tears come from tiny sacs located in the outer corners of each eye.
  你的眼泪是从眼睛外角里的小液囊流出来的。