| 单词 | 亮线 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔ray〕Any of the bright streaks that are seen radiating from some craters on the moon.辐射纹：从月球火山口辐射出的明亮线条之一美国传统〔spectral line〕An isolated bright or dark line in a spectrum produced by emission or absorption of light of a single wavelength.光谱线：光谱中因吸收或放射同一波长的光而产生的独立的亮线或暗线美国传统 |
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