英语词汇“natural tunnel”的翻译、意思、用法、释义-英汉汉英词典

单词	natural tunnel
释义	natural tunnel 【地质学】天然隧道[亦作 tunnel cave] 以上来源于：《21世纪大英汉词典》 natural tunnel天然隧道natural tunnel天然隧道地球科學名詞
随便看	approach-to-obstacle marking approach tunnel approach vector approach velocity approach velocity head approach visibility approachway approach with approach/ withdrawal approach/withdrawal approach zone approach数据库软件 approbate approbated approbates approbating approbation approbations approbative approbator approbatory approbieren ap projection approof appropinquate