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笔名: Rubin 于November 01, 19115 06:37:53:

I don't know what I want to do after university to buy argrumentative essays Odours typically consist of molecular building blocks called aroma compounds. For example, while blue cheese gives off a whole bouquet of aromas, 2-heptanone is the chemical that really "gives blue cheese its blue cheesiness," said lead researcher Richard Newcomb of the New Zealand Institute for Plant and Food Research.




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