東とう西ざい線せんFreq.FrequencyTop 50,000Meanings1nounTōzai LineserviceProper noun referring to a specific east-west railway or subway line, typically in a major city like Tokyo, Kyoto, or Sapporo. The exact line depends on context.東とう京きょうメトロ東とう西ざい線せんは中なか野のと西にし船ふな橋ばしを結むすんでいる。The Tokyo Metro Tōzai Line connects Nakano and Nishi-Funabashi.
