up·grad·ation
noun/ˌʌpɡreɪˈdeɪʃn/, /ˌʌpɡrəˈdeɪʃn/
/ˌʌpɡreɪˈdeɪʃn/, /ˌʌpɡrəˈdeɪʃn/
[uncountable] (Indian English)- the fact of upgrading something
升级；改善；提高 - the upgradation of civic facilities in large cities
大城市市政设施的改进
- the upgradation of civic facilities in large cities