長征五号CN5B，準備好出發搭載夢天實驗艙.
Ready to go. Long March 5B (CZ5B) Y4 rocket, which carries Mengtian laboratory cabin module, has been rolled out from VAB to the launch pad at Wenchang launch center, Hainan. It’ll send Mengtian on October 31 to Tiangong Space Station (CSS).
