布: cloth, to declare, to announce, to spread, to make known...
大学: university, college...
帖子: card, invitation, message, (forum) post...
亲切: amiable, cordial, close and dear, familiar...
摧毁: to destroy, to wreck...
复习: to review, revision...
题目: subject, title, topic...
空隙: crack, gap between two objects, gap in time between two events...
多样: diverse, diversity, manifold...
难道: don't tell me..., could it be that...?...