| 单词 | spectrum |
|---|---|
| 音标 | ['spektrəm] |
| 解释 | n.光谱；范围 |
| 红宝书 | 【英】 n.光谱；范围(a continuous sequence or range) 【记】 spectr(看)＋um→看 到颜色→光谱 【例】 different opinions from all sides of the political spectrum(来自各个政 治派别的不同意见) |
| 字源 | 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. |
| 不择手段背单词 | n. 光谱(根据波长来排定的能量分布); (活动等的)范围 【记】spect看, rum－看到颜色－光谱 【参】spectral(adj 光谱的; 鬼怪的) 【类】color: spectrum = tone: scale各种颜色组成光谱 = 各种音调组成音阶 |
| 趣味全助记 | 【记】spect 看 + beam 光 或 prism |
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