常見例句Close to the grottos, there is a cinema inside a deserted railway tunnel.洞穴的附近有一個(gè)廢棄的鉄路隧道，裡麪設(shè)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(yǔ)音和低速數(shù)字信號(hào)傳輸?shù)挠袀逍诺馈?/li> 返回 railroad tunnel