• n. 覆盖图；覆盖物
• vt. 在表面上铺一薄层，镀

over-,在上，lay,放置。引申词义覆盖。

overlay (v.)

"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).

1. Silver overlay is bonded to the entire surface.

整个表面都镀了一层银。

来自柯林斯例句

2. An overlay of wood covers the brick wall.

砖墙上覆盖了一层木板.

来自《简明英汉词典》

3. There can be an emotional overlay to the frustration of solving real problems.

在真正的问题难以解决而感到沮丧的时候，可能会用其他情感来掩饰。

来自柯林斯例句

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层面中,地层好象书页一般互相重迭.

来自辞典例句

5. In 1969 a ( 51 mm ) bituminous concrete overlay was placed on the concrete deck.

1969年在混凝土板上铺设了51mm厚的沥青混凝土铺装层.

来自辞典例句