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

• ( 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。
• The fry have hatched and have huge yolk sacs.
  南联盟已孵化和巨大的卵黄囊。
• 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 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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？