Penn Central declared Bankruptcy in 1970; its passenger service was taken over by Amtrak in 1971 and its assets by Conrail in 1976.是什么意思_Penn Central declared Bankruptcy in 1970; its passenger service was taken over by Amtrak in 1971 and its assets by Conrail in 1976.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句