The chemist Friedrich Kekulé discovered the ring-shaped structure of benzene after dreaming of a serpent devouring its tale, for example.
例如，化学家Friedrich Kekulé梦到蛇咬住自己的尾巴后得到启发，发现了苯的环状结构。
The chemist Friedrich Kekulé discovered the ring-shaped structure of benzene after dreaming of a serpent devouring its tale, for example.
例如，化学家Friedrich Kekulé梦到蛇咬住自己的尾巴后得到启发，发现了苯的环状结构。
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