复数：monomials
1.【数】一项的,单项的;【生】一个词的,单名的
1.【数】单项式;【生】单名
1.an expression in algebra consisting of a single term, e.g. 3y, as distinct from one that contains two or more terms, e.g. 3x + 5y
2.a scientific name that consists of one element only, as do the names of most families of plants and animals
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