学习资料
[意 思]n. 海湾
[例]  The gulf extends northward.海湾向北方延伸。
n. (意见等的)巨大分歧,鸿沟
[例]  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。
n. (地面的)裂口,深渊,深坑
[例]  The earthquake left a gulf in the fields.
地震在田地里留下一条裂口。