spec·tral
adjective/ˈspektrəl/
/ˈspektrəl/
- (literary) like a ghost; connected with a ghost
鬼一般的；幽灵似的；鬼的；幽灵的 - a spectral figure
鬼影
- a spectral figure
- (specialist) connected with a spectrum
谱的；光谱的；频谱的 - spectral bands
光谱带 - the full spectral range
全光谱范围
- spectral bands
Word Originsense 1 early 19th cent.: from spectre + -al.sense 2 mid 19th cent.: from spectrum + -al.