spectrum
英 ['spektr?m]
美['sp?ktr?m]
- n. 光譜；頻譜；范圍；余象
CET6TEM8IELTSGRE考研TOEFL中低頻詞常用詞匯
詞態(tài)變化
復(fù)數(shù):?spectrums;?spectra;
中文詞源
spectrum 譜，光譜
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(jìn)行分工，前者用于指鬼，幽靈，該詞用于指光譜。
英文詞源
- 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.
雙語例句
- 1. Politicians across the political spectrum have denounced the act.
- 各黨派的政客們都對(duì)該行為表示譴責(zé)。
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(gè)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(kuò)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(huì)形成光譜。
來自《權(quán)威詞典》