an area in the desert where there is water and where plants grow (沙漠中的)绿洲 a pleasant place or period of time in the middle of something unpleasant or difficult synonym haven(困苦中)令人快慰的地方(或时刻);乐土;乐事 an oasis of calm 宁静的一刻 a green oasis in the heart of the city 都市中心的绿茵
Word Originearly 17th cent.: via late Latin from Greek, apparently of Egyptian origin.