classified

/ˈklæsɪfaɪd/
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Classified information or documents are officially secret. 机密的

adjective [原级] 分类的,归类的;机密的,保密的

He has a security clearance that allows him access to classified information. 他有安全许可,这准许他接触机密。

noun [具体名词] 分类广告

The books in the library are classified according to subject. 图书馆的书按学科分类。

verb [vt. 及物动词] 把……分类,把……分级;把(信息)归入保密级别(classify 的过去式和过去分词形式)

Patients are classified into three categories. 病人被归为三种类型。

classified 出现在下面的课文中(提供视频、音频及笔记等可系统性学习)
Lesson 26 Wanted: a large biscuit tin
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