double helix
柯林斯词典
1. N the form of the molecular structure of DNA, consisting of two helical polynucleotide chains linked by hydrogen bonds and coiled around the same axis DNA结构中的双螺旋[biochem]
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double helix
剑桥词典
- the structure of a DNA molecule
（DNA 分子的）双螺旋结构 返回 double helix