DNA双螺旋结构模型的建立,是生命科学史上的奇迹和里程碑,具有划时代的意义。
The foundation of DNA double spiral structure model is the miracle and milestone in the history of life science. It has epoch-making significance.
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
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