他们在1953年构建了第一个DNA双螺旋结构。
They created the first double helix model of DNA in 1953. Photograph: ap.
最经典的例子莫过于生物学中的双螺旋结构和物理学中的基本方程。
Examples include the double helix in biology, and the fundamental equations of physics.
DNA 是地球上所有生命的基础,它有着像螺旋式楼梯一样的双螺旋结构。
DNA is the basis of all life on earth. It has a double helixstructure, like a spiral staircase.//
I want to start by showing you this cartoon that you already know about with the structure of a double helix.
我想要给你们看这张卡通模型,你们都知道,这是DNA双螺旋结构
This is - what this diagram shows you is-- the forces that hold these individual strands of DNA into a double stranded form.
你们可以看看这个图表,演示了连接两条DNA长链为双螺旋,结构的化学力
They will reform their natural structure, and for DNA that means forming double helixes.
它们将重新形成原本的结构,对于DNA来说,就是重新形成DNA双螺旋
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