oasis /əʊˈeɪsɪs/ TEM8

• 1. 

  N-COUNT An oasis is a small area in a desert where water and plants are found. (沙漠中的) 绿洲

• 2. 

  N-COUNT You can refer to a pleasant place or situation as an oasis when it is surrounded by unpleasant ones. 绿洲般的地方

  例：

  The immaculately tended gardens are an oasis in the midst of Cairo's urban sprawl.

  那些打理得非常整洁的花园是杂乱扩张的开罗市区中的一片绿洲。