向未成年人提供含酒精的饮料是违法的。
威士忌含有酒精的百分比很高。
Methane, there are certainly some solid bonds there, but breaking those to form CO2 and water, well it's worth it, right, energetically.
酒精中的确含有很强的化学键,但是打断这些化学键然后生成二氧化碳和水,从能量上来看是值得的。
So, the active part of the thermometer could be water. It could be alcohol, mercury, it could be a piece of metal.
那么温度计的工作部分,可以是水可以是酒精,水银,可以是一块金属。
And if you study this photo, you can see the qualities of a man struggling with alcoholism.
如果你研究过这张照片,你会发现一个和酒精做着斗争的人的特性。
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