city ecology的用法和樣例：
例句
- In order to improve the ecology environment and living conditions, we should do something to rehabilitate the city wetland.
摘要為改善城市生態環境和居住條件，需開展城市濕地生態修復和重建工作。 - This paper deals with interacton between the urban ecologic system and environment in Xuzhou City.
本文研究了徐州市城市生態系統與自然環境之間的相互作用。
