Investigative work, especially journalism, involves investigating things. 调查的
adjective [原级] 研究的；调查的；好调查的
The article was an excellent piece of investigative journalism. 这是一篇优秀的调查研究报道。
后缀: tive
【adjective】 具有...性质的 - having the quality or tendency of
原词: investigative
是通过后缀 【tive】 构成的派生词
