overlay是什么意思(overlay的用法)
大家好,知识小编来为大家讲解下。overlay是什么意思,overlay的用法很多人还不知道,现在让我们一起来看看吧!
一、overlay是什么意思
1、overlay 覆盖
2、over-,在上,lay,放置。引申词义覆盖。
二、overlay的用法
1、overlay (v.)
2、"to cover the surface of (something)," c. 1300, in part from Old English oferlecgan "to place over," also "to overburden," and in part from over- + lay (v.). There also was an overlie in Middle English, but it merged into this word. Similar compounds are found in other Germanic languages, such as Gothic ufarlagjan. Related: Overlaid; overlaying.
3、overlay (n.)
4、in the printing sense, 1824, from overlay (v.). Meaning "transparent sheet over a map, chart, etc." is from 1938. In earliest noun use it meant "a necktie" (1725).
本文到此分享完毕,希望对大家有所帮助。