"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.
overlay (n.)
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).
雙語例句
1. Silver overlay is bonded to the entire surface.
整個表面都鍍了一層銀。
來自柯林斯例句
2. An overlay of wood covers the brick wall.
磚墻上覆蓋了一層木板.
來自《簡明英漢詞典》
3. There can be an emotional overlay to the frustration of solving real problems.
在真正的問題難以解決而感到沮喪的時候，可能會用其他情感來掩飾。
來自柯林斯例句
4. In parallel or concordant bedding the strata overlay each other like pages of a book.
在平行的或者整合的層面中,地層好象書頁一般互相重迭.
來自辭典例句
5. In 1969 a ( 51 mm ) bituminous concrete overlay was placed on the concrete deck.