railroad tunnel
常见例句
- Close to the grottos, there is a cinema inside a deserted railway tunnel.
洞穴的附近有一個廢棄的鉄路隧道，裡麪設有電影院。 - It is shown that an electrified railway tunnel is an effective channel for transmission of language and slow digital signals.
研究表明，電氣化鉄路隧道是語音和低速數字信號傳輸的有傚信道。 返回 railroad tunnel