n.[C]

1. 海湾
2. （意见等的）巨大分歧，鸿沟[（+between）]
   They used to be friends but a great gulf has developed between them.

   他们过去一直是朋友，但如今两人之间已产生了极大的分歧。

3. （地面的）裂口；深渊，深坑
   The earthquake left a gulf in the fields.

   地震在田地里留下一条裂口。

4. 旋涡
5. （大写）波斯湾；波斯湾各国[the S]

vt.

1. 吞没，淹没

n.

1. a deep inlet of the sea almost surrounded by land, with a narrow mouth.
2. a deep ravine or chasm.
3. a substantial difference between two people, concepts, or situations.