Starting September 19， 12 flights taking off from Beijing Daxing International Airport， Chengdu Shuangliu International Airport， Zhengzhou Xinzheng International Airport， and Ningbo Lishe International Airport will use the sustainable aviation fuel， according to the Civil Aviation Administration of China. The program involves China Southern Airlines， China Eastern Airlines and Air China.
position /pə'ziʃn/ n. 位置，职位，职务。predecessor /'pri:disesə/ n. 前任，原有的事物。premise /'premis/ n. 前提，假设。prescription /pri'skripʃn/ n. 处方。preservation /ˌprezə'veiʃn/ n. 保护，防护。prestige /pre'sti:ʒ/ n. 威信，威望。priority /prai'ɒrəti/ n. 优先。prospect /'prɒspekt/ n. 前景，可能性。
我们正在解决的可能是我们所知的人类进化过程中缺失最大的一环。I have moved from trying to model and understand the distribution and evolution of water vapour.
