单词 | scum |
释义 | scum (skŭm) n. 1. A filmy or frothy layer of matter that forms on the surface of a liquid or body of water or on a hard surface. 2. The refuse or dross of molten metals. 3. Refuse or worthless matter. 4. Slang One, such as a person or an element of society, that is regarded as despicable or worthless. v. scummed, scum·ming, scums v.tr. To remove the scum from. v.intr. To become covered with scum. [Middle English, from Middle Dutch schūm; see (s)keu- in the Appendix of Indo-European roots.] scummer n. scummi·ly adv. scummi·ness n. scummy adj. |
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