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单词 benzoin
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Then, a little chemistry knocked the acid off, creating what was clearly an alkene, so they named it benzene, because it was an alkene that was from the benzoin resin.

然后,用一点化学方法将酸分解, 产生明显是烯烃的物质, 因此他们将其命名为苯,因为它是一种来自安息香树脂的烯烃。

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