Once synthesized, the histones move into the cell nucleus, where a section of DNA wraps around them to form a structure that resembles beads, or knots, on a string.

一旦合成，组蛋白就会进入细胞核，细胞核内的 DNA 片段会将组蛋白包裹起来，形成一种类似串珠或绳结的结构。

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The rain began to flow down along the eaves, like a broken string of beads, gradually into a line.

雨水顺着房檐流下来，开始像断了线的珠子，渐渐连成了一条线。

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The rain off the line like a string of beads, drop out into the sink in the rain puddles above.

雨点像断了线的珠子，一滴一串地掉在雨水汇成的水洼上面。

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Breadfruit plants would be dug up in Tahiti-he'd tasted the strange fruit when a native had traded one for a string of glass beads-and then be transported to the West Indies.

NPR: Excerpt: 'Natives and Exotics'