本期内容：

Pindrop says it investigated about a dozen cases over the past year involving fraudsters using AI-powered software to ‘deepfake’ someone’s voice to perpetrate their scams.
A company that specializes in detecting voice fraud is sounding the alarm over an emerging threat.
With the help of AI-powered software, cybercriminals are starting to clone people’s voices to commit scams, according to CEO of Pindrop.


investigate v. 调查，审查（find out ）
• investigate the cause of an accident: 调查一次事故的原因
fraudster n. 诈骗犯，欺诈犯
deepfake: 深度造假（技术）
perpetrate vt. 犯罪，干坏事（commit）
• perpetrate a crime/fraud: 犯罪/行骗
scam n. 欺诈，骗局
specialize vi. 专门研究或从事
sound the alarm: 发出警告


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