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

• We find that the external appearance of the embryo and its sacs during the alaqah stage is similar to that of a blood clot.
  我们发现胚胎在血块阶段的外观和囊袋很像一块凝血。
• Many frogs amplify the sound of their voices using special sacs in their throats.
  许多蛙类动物利用其喉内特殊的囊将声音放大。
• Broken pollen sacs in vicinity of stigma
  柱头附近破碎的花粉囊
• 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。
• 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。
• 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。
• The lungs consist of millions of tiny air sacs.
  肺由数百万个小气囊组成。
• The fry have hatched and have huge yolk sacs.
  南联盟已孵化和巨大的卵黄囊。
• 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。
• 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。