SAC
英
美
abbr. 南方空军司令部(南非)(Southern Air Command)
复数:sacs
Collins.1 / BNC.16085 / COCA.17836
牛津词典
noun
- (人、动植物体内的)囊,液囊,气囊
a part inside the body of a person, an animal or a plant, that is shaped like a bag, has thin skin around it, and contains liquid or air
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.- The lungs consist of millions of tiny air sacs.
肺由数百万个小气囊组成。
- The lungs consist of millions of tiny air sacs.
双语例句
- Study of Antibiotics and Conjunctival Sac Wash Before Cataract Surgery
白内障患者术前使用抗生素和结膜囊冲洗的临床研究 - The yolk sac and yolk stalk on one of them were well preserved.
观察了三例人胚外形,其中一例还有保存良好的卵黄囊和卵黄蒂。 - I accidentally ripped her dural sac.
我不小心撕裂了她的硬脊膜囊。 - These abnormalities would cause the abnormal structure of mature embryo sac.
这些异常可能最终导致多种结构异常成熟胚囊的形成。 - The peritoneal cavity is a closed sac.
腹膜腔是一个封闭的囊腔。 - Syringomyelia is a condition where a fluid filled sac develops in the spinal cord.
脊髓空洞症是一种脊髓病变,脊髓内形成包含液体的囊。 - Some of the models contained an air sac.
其中一些模型含有气囊。 - The nectar that a bee can bring back in its honey sac.
蜜蜂能装入蜜囊带回去的花蜜。 - They could prosecute Mr Cohen. They could charge SAC with racketeering, and other offences.
他们可以对科恩提起公诉,也可以指控SAC涉嫌诈骗以及其他违法行为。 - The lungs consist of millions of tiny air sacs.
肺由数百万个小气囊组成。