1)block with structural deficiencies,结构有问题的大厦2)defective block,问题公屋;有建筑缺陷的大厦3)Great structure problems,重大结构问题4)the structure of mathe-matical problem,数学问题的结构5)the reality of the history,问题结构6)a highly arguable conclusion,大有疑问的结论
用法和例句
One is how to look on the reality of the history, especially how to look on the inter-relation between the reality of the history and history theory.