sac
[sæk]
n.
(动植物组织中的)囊,液囊;
abbr.
缩写 = (US) Strategic Air Command 战略空军司令部。;
例句:
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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.
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The peritoneal cavity is a closed sac.
腹膜腔是一个封闭的囊腔.
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The heart sounds are muffled when the pericardial sac is distended with fluid.
当心包充满液体时心音减弱.
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In January 2011, Sac County had a new prosecutor.
来自NPR
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Remove and discard the sac behind the eyes.
来自BBC
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Mr Hollande knows an economic cul-de-sac when he sees one.
来自THETIMES