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。
• 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 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。
• 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。
• Quantitative analysis of synaptic vesicle release and readily releasable pool size in hippocampal neurons pertaining to one of the small sacs ( as in a compound gland).
  海马神经元突触囊泡释放特征及可释放囊泡含量定量分析（英文）与小囊泡（如在一个复杂的腺内）相关的。
• 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。
• 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。
• 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。
• Broken pollen sacs in vicinity of stigma
  柱头附近破碎的花粉囊