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

• 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。
• 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。
• 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。
• The lungs consist of millions of tiny air sacs.
  肺由数百万个小气囊组成。
• 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。
• ( 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。
• 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。
• 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。
• 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。
• 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。