spectra
spectral Spectral analysis spectrality spectrally spectralnes spectre spectro spectrogram spectrograph spectrographic spectrography spectroheliogram spectroheliograph spectroheliography spectrohelioscope spectrology spectrometer spectrometric spectrometry spectrophotography spectrophotometer spectroscope spectroscopic spectroscopy spectrum specula specular speculate speculation |
spectra /'spektrəm/
danh từ, số nhiều spectra
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