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

  1. N-COUNT (动物体内的)囊，液囊，气囊
    A sac is 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。
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双语例句

  1. The lungs consist of millions of tiny air sacs.
    肺由数百万个小气囊组成。
  2. Meanwhile, the expanded sacs push against the lung's healthier areas.
    于此同时，扩张的气囊也会挤压肺部相对健康的部位。
  3. 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。
  4. Birds have up to nine extra air sacs to supplement their lungs.
    鸟除了肺还有9个多的气囊作为肺的补给。
  5. An item resembling one of the membranous sacs in animals.
    形状象动物体内有膜囊状器官的物体。
  6. 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。
  7. Vacuoles in cells appear to be hollow sacs but are actually filled with fluid and soluble molecules.
    细胞中的液泡是中空的囊状结构，里面充满着液体和可溶性分子。
  8. The endoplasmic reticulum, a lacy array of membranous sacs, tubules, and vesicles, may be either rough ( RER) or smooth ( SER).
    内质网，是一些不规则排列的膜囊，小管，和液泡组成的。
  9. 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。
  10. The sacs may be carried around on the spinnerets, between the legs or in the jaws.
    卵囊也可能被放在吐丝器上，肢体间或颌中跟随蜘蛛。
  11. We find that the external appearance of the embryo and its sacs during the alaqah stage is similar to that of a blood clot.
    我们发现胚胎在血块阶段的外观和囊袋很像一块凝血。
  12. This showed that noises made from tubes without air sacs, the tubes mimicking the modern vocal tract, were much clearer.
    实验显示，没有气囊的管子发出的声音更为清晰，而这种管子模拟的正是现代人类的声道。
  13. 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。
  14. 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。
  15. 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。
  16. Large glands, such as the pancreas or the large salivary glands, consist of complicated combinations of tubes or little sacs.
    大的腺体，如胰腺或大的唾液腺，是由管道或小袋的复杂结合组成的。
  17. 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？
  18. Classification and Seed Set of Varied Embryo Sacs of Autotetraploid Rice
    同源四倍体水稻变异胚囊分类及结实性影响因素
  19. 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。
  20. Broken pollen sacs in vicinity of stigma
    柱头附近破碎的花粉囊
  21. Silken egg sacs may be hidden in vegetation, or in crevices, or buried in the ground.
    丝质卵囊可能被藏在植物或石缝中，或被埋在地下。
  22. The embryo sacs observation is one of the main study method for embryology.
    胚囊观察是植物胚胎学的主要研究方法之一。
  23. Quantitative analysis of synaptic vesicle release and readily releasable pool size in hippocampal neurons pertaining to one of the small sacs ( as in a compound gland).
    海马神经元突触囊泡释放特征及可释放囊泡含量定量分析（英文）与小囊泡（如在一个复杂的腺内）相关的。
  24. It consists of a stack of flat, membrane-bounded sacs.
    它由一大堆扁平的膜缘清楚的囊组成。
  25. 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。
  26. Bursae are small sacs located between moving structures such as bones, muscles, skin and tendons.
    滑囊是较小的囊状物，位于活动的结构间，如骨骼，肌肉，皮肤和肌腱。
  27. ( of e.g. fruits and anthers) opening spontaneously at maturity to release seeds. Each lobe contains two pollen sacs that produce very large quantities of small pollen grains.
    （例如指水果和花粉囊）在成熟时自然的打开释放种子。左右两侧花粉囊之间是薄壁细胞构成的药隔，药隔中的维管束与花丝维管束相连。
  28. The fry have hatched and have huge yolk sacs.
    南联盟已孵化和巨大的卵黄囊。
  29. Besides webs, spiders also use their silk to line nests and make egg sacs.
    除了织网，蜘蛛还用丝来铺窝和编织卵袋。
  30. Absorption of extractive Radix Paeoniae Alba in rat everted gut sacs and its interaction with P-glycoprotein
    炒白芍提取物在大鼠肠外翻囊实验中的吸收及与P-gp相互作用研究
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