n. a fertile tract in a desert (where the water table approaches the surface)
n. 绿洲, 舒适的地方
[医] 绿洲(沙漠中), 健岛(病变区中的健康组织)
1. The desert is a harsh place, but an oasis can provide life and water.
沙漠是个严酷的地方，但绿洲可以提供生命和水源。
2. We stopped at an oasis during our long journey to rest and refresh ourselves.
在我们漫长的旅途中，我们在一个绿洲停下来休息和恢复精力。
3. The small village by the oasis is a beautiful sight in the middle of the desert.
绿洲旁的小村庄在沙漠中是一道美丽的风景。