Relational database theory
[计] 关系数据库理论
🧩 词语组成解析
relational
[ri'leʃənl]
adj. 亲属的，相关的，有关的;
database
['detəbes]
n. 数据库;资料库;信息库;
🗣️ 情景例句
Her boyfriend couldn't provide her with a sense of security.
她的男朋友无法给予她安全感。
More of our worries come from within than from without.
烦恼发乎内者多于发乎外。
Is anything the matter?
怎么回事呀？