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

• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• ( 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。
• 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。