1. Located in the southwest of Hokkaido and facing the Tsugaru Strait, Hakodate developed as a port town for trade with foreign countries at the end of the 19th century, and is a gateway connecting Hokkaido with Honshu by the Seikan Tunnel.
函馆位于北海道西南部，面对津轻海峡，是在 19 世纪末作为与外国进行贸易的港口城市发展起来的。它是北海道的大门，通过青函隧道与本州相连。
2. It is the second-longest rail tunnel in the world, with the Seikan Tunnel in Japan being longer, but the undersea section of 24 miles (39 km) is the longest in the world.
它是世界上第二长的铁路隧道，仅次於日本的青函隧道。不过它的海底区段长达 24 英里（39公里）是全球最长的。
3. The previous world record holder was Japan's Seikan (Aomori-Hakodate) tunnel, which is 53.86 km long.
先前的世界记录保持者是日本青函隧道，长度为53.86公里。
4. It is understood that the opening of the world's longest undersea tunnel has been Japan's Seikan tunnel total length of 53 km, however, is only 23.3 kilometers submarine part of the British submarine part of the Channel Tunnel, but is also 37 km.
据了解，目前世界已经启用的最长海底隧道日本青函海底隧道总长不过53公里，海底部分仅为23.3公里，英法海底隧道海底部分也不过37公里。
5. The train went through Seikan Tunnel.
火车穿过青函隧道。