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单词 overline
释义

overline1

/ˈəʊvəˌlʌɪn/
noun
1A horizontal line drawn or printed above a line of text, mathematical symbol, etc.
2A caption set above an illustration, especially in a newspaper or periodical.

Origin

Late 19th century; earliest use found in Journal of the Royal Statistical Society. From over- + line.

overline2

/ˌəʊvəˈlʌɪn/
verb
[with object] To draw a line over or above (a piece of writing, mathematical symbol, etc.).

Origin

Mid 19th century; earliest use found in American Whig Review. From over- + line, perhaps after underline.

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更新时间:2024/12/23 19:36:53