名词短语
中文翻译：双重绕行
同义词：
['double loop', 'double helix例句：1. The DNA molecule is a two-turn winding of hydrogen and oxygen atoms.（DNA分子是氢和氧原子的双螺旋结构。）']
例句：
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1. The DNA molecule is a two-turn winding of hydrogen and oxygen atoms.
DNA分子是氢和氧原子的双螺旋结构。
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2.The road follows a two-turn winding through the forest.
这条路穿过森林，呈双螺旋状蜿蜒前行。
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3. The structure of DNA is a two-turn winding that holds its genetic information.
DNA的结构是一个双螺旋，承载着遗传信息。