spectra
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TOEFLA2
Definitions
n.
Plural of spectrum; ranges of electromagnetic radiation or other ordered arrays of components.
光谱;频谱(spectrum的复数)
🧩 Root Breakdown
Root-derivedExample Sentences
- 1.
Scientists analyze the spectra of distant stars to determine their composition.
- 2.
The visible light spectrum contains all the colors we can see.
- 3.
Different spectra reveal unique characteristics of various astronomical objects.