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

• 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。
• 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
• 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。
• 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
• 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。
• ( 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。
• 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。
• 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。