investigation (n.) investigation n.（正式的）調(diào)查，研究investigatio 研究,調(diào)查,讅查,調(diào)查書,研究論文investigating period [法學(xué)]偵查堦段[心理學(xué)]調(diào)查期間investigating v. 調(diào)查；讅查（investigate的ing形式）investigatigation 調(diào)查investigates v.調(diào)查；研究investigated v.調(diào)查；研究investigate into a case 查案investigate into 對……進行調(diào)查investigate for criminal responsibility 追究刑事責任investigate at first hand [經(jīng)濟學(xué)]直接進行調(diào)查investigate (v.) investigate vt.調(diào)查vi.作調(diào)查investigat ion investigable (adj.) investigable adj.可調(diào)查研究的investible 可供投資的investiation 項目investee n.接受投資者