"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").
雙語例句
1. Good morning. This is Brown from SAC.
早上好, 我是SAC公司的布朗先生.
來自互聯(lián)網(wǎng)
2. RAR α expression level of SAC activated CBL was increased by RA ( P
RA上調SAC活化CBL中RAR-α的基因表達水平 ( P
來自互聯(lián)網(wǎng)
3. Amniocentesis is the removal of fluid from the amniotic sac.
羊膜穿刺術是從羊膜囊抽取羊水的技術.
來自辭典例句
4. The peritoneal cavity is a closed sac.
腹膜腔是一個封閉的囊腔.
來自辭典例句
5. The heart sounds are muffled when the pericardial sac is distended with fluid.