sac

常见例句

Putting the fossil under a microscope, he discovered the sac was filled with tiny spheres.
借助显微镜，他进一步发现这种囊中填充着一些微小的球体。
He’s bouncing around inside his watery sac but you won’t feel anything for quite awhile yet.
他在水囊里四处跳跃，但一段时间之内你不会感觉到任何迹象。
From ostrich to orangutan, egg sac to live birth, infanticide to matricide, the diversity of behaviors between parent and progeny is as great as the diversity of life on our planet.
从鸵鸟到猩猩，从卵囊孵化到活产，从婴孩夭折到母亲难产而死，亲代和后代行为的多元化堪比我们这个星球的生物多样性。

Let's just say that you have a child who lives up here, say in this cul-de-sac, and is friends with a child who lives over here.
假设有你有一个孩子住在这儿,在这条死胡同里,他有个朋友住在这
耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选
And then, I'm going to skip down a little bit: Though she never again called back any image of the dead man to dress up, pose, talk to and make answer, neither would she lose a new compassion for the cul-de-sac he'd tried to find a way out of, for the enigma his efforts had created.
接下来，我会跳过一些内容往下说：,虽然她从没有想起过，那个死人穿衣、摆弄姿势、,说话和回答问题时的样子，她也不会失去对他的同情，对他尝试摆脱,无路可走的困境所付出的，谜团一般的努力。
耶鲁公开课 - 1945年后的美国小说课程节选

Articles carefully point out that neither he nor SAC has been accused of anything.
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By the way, the fleece vest over a button-down shirt thing originated at SAC.
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However, as more competition enters the market, the lower the SAC margins will get.
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