Tie two knots in the cord outside the hole. Thread the other end of the cord through the second hole. Tie two knots in the cord.

把线穿过一个小孔，在小孔外面打两个结，把线的另一头穿过第二个小孔，也在线上打两个结。

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After the birth, when the umbilical cord is cut, the blood left in the cord and placenta is drained into a storage bag.

宝宝出生后，在切下脐带时留在脐带和脐道中的血液就被收集到收纳袋里。

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Both the brain and the spinal cord are protected by bone: the brain by the bones of the skull, and the spinal cord by the set of ring-shaped bones called vertebrae that make up the spine.

脑和脊髓都受骨骼保护：脑由颅骨保护，而脊髓则由脊柱保护(一组环状的椎骨共同构成了脊柱)。

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But she says it must be shown scientifically that cord blood stem cells cause improvement, and not other reasons.

VOA: special.2011.02.01

There's a lot of interest in obtaining stem cells from the blood of the umbilical cord on birth.

从出生时的脐带血中取得一些干细胞,也很有趣

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You can pull the cord and your files should not use a different technology altogether.

你可以提取出没删除的,是用了一种不同的技术的。

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Umbilical cord stem cells are post-natally harvested directly from an umbilical cord.

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Unlike the A40s, which have a built-in cord, the A30s have a quick-release cord which plugs in just below the left earcup.

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In fact, not only did cord cutting slow, it became cord mending with total U.S. MVPD households growing in the latest estimates.

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