mass noun
- an impure product of the smelting of sulphide ores, especially those of copper or nickel锍, 冰铜。
词源
mid 19th cent.: from French （in Old French meaning 'curds'）, feminine of mat (adjective) 'matt', used as a noun.
- a mask used to obscure part of an image in a film and allow another image to be substituted, combining the two遮片。
词源
mid 19th cent.: from French, perhaps from mat （see MATT）.
- variant spelling of MATT.同MATT.