搜尋結果
residuum
- IPA[rɪˈzɪdjʊəm]
英式
- a chemical residue.;a class of society that is unemployed and without privileges or opportunities
noun: residuum, plural noun: residua
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- IPA[rəˈzij(ə)wəm]
美式
- a substance or thing that remains or is left behind, in particular, a chemical residue.
Oxford American Dictionary