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

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 lungs consist of millions of tiny air sacs.
肺由数百万个小气囊组成。
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。
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。
An item resembling one of the membranous sacs in animals.
形状象动物体内有膜囊状器官的物体。
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。
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。
Broken pollen sacs in vicinity of stigma
柱头附近破碎的花粉囊