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underground railway ['ʌndəgraund'reɪlweɪ]
exhib. 地铁
met. 地下铁道
underground railway An electric passenger railway operated in underground tunnels ['ʌndəgraund'reɪlweɪ]
environ. 地下铁路 (在地下隧道运行的电动客运铁路。)
underground railway
: 8 phrases in 3 subjects
Earth sciences1
Rail transport1
Technology6