3 词条主页 > 词条 > 拉丁美洲西班牙语 (XL) > etanol
etanol
Alcohol containing two carbon atoms per molecule with about two-thirds the energy density of gasoline, mostly fermented from corn starch or sugar cane, also known as ‘grain alcohol’
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deriva genética
Changes in the frequencies of alleles in a population that occur by chance, rather than because of natural selection.
