- sac
 - [sæk]
 - n. 囊;[生物]液囊
 
参考例子
           - 1.The peritoneal cavity is a closed sac.
 - 腹膜腔是一个封闭的囊腔。
 
- 2.They have a noticeable tail and males have large scrotal sac.
 - 它们的尾巴非常明显,并且雄性有很大的阴囊。
 
- 3.OMNEX is the only company authorized to deliver training for the Semiconductor Assembly Council (SAC).
 - OMNEX是唯一的公司授权了交付为半导体训练汇编委员会(囊)。
 
英文解释
           - n.
 - 1.an enclosed space
 - 2.a case or sheath especially a pollen sac or moss capsule
 - 3.a member of the Algonquian people formerly living in Wisconsin in the Fox River valley and on the sh
 - 4.a structure resembling a bag in an animal
 
网络释义
               - SAC
 - 中国国家标准化管理委员会; 教材; 上海质量体系审核中心; 证券从业资格考试;
 
- embryo sac
 - 胚囊; 雌配子体; 胚囊:显花植物的大配子体通常具八核七细胞;
 
- pollen sac
 - 花粉囊; 释义:花粉囊; 花粉囊:花药中具花粉的腔室; 药囊;
 
- lacrimal sac
 - 泪囊;
 
- alveolar sac
 - 肺泡囊; 肺泡囊 肺泡囊; 肺泡(小)囊; 释义:肺泡(小)囊;