oasis

/oʊˈeɪsɪs/

a fertile tract in a desert (where the water table approaches the surface)

中文释义：绿洲

The caravan finally reached an oasis after days of travel.

经过多日旅行，商队终于到达了一片绿洲。

The city park serves as an oasis of calm in the bustling urban area.

城市公园是繁华市区中一片宁静的绿洲。