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Benzene is a ring that's made up of six carbon atoms and six hydrogen atoms.
苯环是一个由六个碳原子,和六个氢原子组成的环。
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- 来自原声例句
Benzene is a ring that's made up of six carbon atoms and six hydrogen atoms.
苯环是一个由六个碳原子,和六个氢原子组成的环。
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