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 fry have hatched and have huge yolk sacs.
  南联盟已孵化和巨大的卵黄囊。
• 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。
• 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。
• 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。
• 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。
• 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？
• The lungs consist of millions of tiny air sacs.
  肺由数百万个小气囊组成。
• 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。
• ( 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。
• 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。