# penetralia ##### 词义 - #词性/n 密室 ##### 例句 - The university keeps secret the work is the national security work important component , along with higher education 's development , the university fords penetralia day-by-day increase . - 高校保密工作是国家保密工作的重要组成部分,随着高等教育的发展,高校涉密事项的日益增多。