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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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 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。
• 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。
• 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。