- 重点词汇
- 二级
secondary; second-level; second-degree; second-class
- 结构
structure; construction; framework; configuration; fabric; architecture; anatomy; construct; form; structural; organizational
- 规范
norm; specification; standard; requirement; principle; criterion; code; convention; canon; protocol; parameter; precept; standardize; normalize; regulate; codify; normative; regular; conventional; standardized; formal; proper; orthodox; prescriptive