spectrum
UK/'spektrəm/US/'spektrәm/
IELTSTOEFLGRE六级考研A2
释义
n.
The full range of light or other waves arranged by wavelength.
光谱；频谱
n.
A complete range or scale of opinions, qualities, or values.
范围；全谱；幅度
n.
(Medical/psychology) a range of related conditions (e.g., autism spectrum).
谱系；范畴（如自闭症谱系）
词根拆分
词根派生拉丁语 spectrum = 「显象、影像」，来自 specere（看）。牛顿（1666）用它指光通过棱镜产生的色带。「范围」义是这一意象的泛化。
词根 sp 还连着 131 个词常用搭配
- 1.color spectrum色谱
- 2.broad spectrum广谱
- 3.political spectrum政治光谱
- 4.across the spectrum全谱
- 5.autism spectrum自闭症谱系
例句
- 1.
A prism splits white light into its color spectrum.
棱镜把白光分成其颜色光谱。
- 2.
Political views span the whole spectrum.
政治观点跨越整个光谱。
- 3.
She works with children on the autism spectrum.
她为自闭症谱系的儿童服务。