The DNA molecule is a double helix, resembling a ladder that's been twisted along its length.

DNA（脱氧核糖核酸）的分子是一种双螺旋结构，酷似一架沿纵向扭曲的梯子。

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Even transportation proves an experience. A double-decker tram provides a bird 's-eye view of neon signs twisted into huge Chinese characters, dwarfing the human parade below.

甚至是交通线也展示着一次经历。从双层的有轨电车上鸟瞰霓虹灯镶嵌成巨幅的中文，使下面的人群显得如此的渺小。

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The machinery will be woven into double stranded twisted hexagonal shape, multi mesh mesh, the double stranded part length should be less than 5cm, the protective coating without damaging the wire.

由机械将双线绞合编织成多绞状、六边形网目的网片，其双线绞合部分的长度应不小于5cm，以不破坏钢丝的防护镀层。

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It's such a big-hearted gesture it verges on old fashioned, which says a lot about how twisted and double-barreled our "entertainment" has gotten to be in the past 20 years.

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Even though it is twisted up into the famous double helix, all that matters is the order of the bases that form it.

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And if it is twisted twice, the particle gains double the charge.

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