英语词汇“natural tunnel”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

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单词	natural tunnel
释义	natural tunnel 【地质学】天然隧道[亦作 tunnel cave]
随便看	light source, electric light source, electroluminescent light source, elongated light source filter light source for instrument light source for surgery light source, incandescent light source, line-like light source luminaire light source moniter light source moniter and measuring set light source monitor light source of gas discharge lamp light source, others light source-phototransistor assembly light source phototransistor assembly light source, point-like light source, point-like, non-electric light source point-like, non-electric light source projection equipment light-source quantum effeciency light source, ring-shaped light-sources light sources light sources, combined