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