New words：

detective [dɪˈtektɪv] n. 侦探；警探；私人侦探

Sample Sentences：

He buried himself in his detective story again.
Detectives have spent months gathering evidence.
A private detective had been tailing them for several weeks.

bury [ˈberi] v. 埋葬；埋藏

detect [dɪˈtekt] v. 发现；查明；侦察出

detection [dɪˈtekʃən] n. 探测；发现；侦查；察觉

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