Kwun Tong Line, the first passenger Line of MTR providing mass transit service to Kwun Tong, started operation in late 1979.是什么意思_Kwun Tong Line, the first passenger Line of MTR providing mass transit service to Kwun Tong, started operation in late 1979.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句