spectralKK [ˋspɛktrəl] /ˈspɛktɹəl/发音形容词1幽灵般的、鬼魅的、飘忽的文学A spectral figure drifted across the empty hallway at midnight.午夜时分,一个幽灵般的身影飘过空荡的走廊。2光谱的物理Researchers used spectral analysis to identify the gases in the cloud.研究人员以光谱分析辨识云气中的气体成分。用这个字练口说→