"biological pocket," 1741, from French sac, from Latin saccus "bag" (see sack (n.1)).
Sac
central Algonquian people who lived near the upper Mississippi before the Black Hawk War of 1832, from French Canadian Saki, probably a shortened borrowing of Ojibwa (Algonquian) /osa:ki:/, literally "person of the outlet" (of the Saginaw River, which itself contains their name, and means literally "in the Sauk country").
实用例句
1. Good morning. This is Brown from SAC.
早上好, 我是SAC公司的布朗先生.
来自互联网
2. RAR α expression level of SAC activated CBL was increased by RA ( P
RA上调SAC活化CBL中RAR-α的基因表达水平 ( P 来自互联网
3. Amniocentesis is the removal of fluid from the amniotic sac.
羊膜穿刺术是从羊膜囊抽取羊水的技术.
来自辞典例句
4. The peritoneal cavity is a closed sac.
腹膜腔是一个封闭的囊腔.
来自辞典例句
5. The heart sounds are muffled when the pericardial sac is distended with fluid.
