• n. 光譜；頻譜；范圍；余象

來自拉丁語 spectrum,出現(xiàn)，顯示，影像，鬼魂，幽靈，來自 specere,看，詞源同 spectator,aspect. 后與 specter 詞義上進行分工，前者用于指鬼，幽靈，該詞用于指光譜。

spectrum (n.)

1610s, "apparition, specter," from Latin spectrum (plural spectra) "an appearance, image, apparition, specter," from specere "to look at, view" (see scope (n.1)). Meaning "visible band showing the successive colors, formed from a beam of light passed through a prism" first recorded 1670s. Figurative sense of "entire range (of something)" is from 1936.

1. Politicians across the political spectrum have denounced the act.

各黨派的政客們都對該行為表示譴責。

來自柯林斯例句

2. The two politicians represent opposite poles of the political spectrum.

這兩位從政者代表了政界的兩個極端。

來自柯林斯例句

3. The term "special needs" covers a wide spectrum of problems.

“特殊需求”一詞包含的問題范圍很廣。

來自柯林斯例句

4. The political spectrum has broadened.

政治范圍得到了擴大。

來自柯林斯例句

5. A spectrum is formed by a ray of light passing through a prism.

一束光通過棱鏡就會形成光譜。

來自《權(quán)威詞典》