He served two years in the U.S. Army crime laboratory system as a forensic drug chemist and a forensic serologist.
他曾在美国陆军犯罪实验室系统担任过两年的法医药物化学家和法医血清学家。
He served two years in the U.S. Army crime laboratory system as a forensic drug chemist and a forensic serologist.
他曾在美国陆军犯罪实验室系统担任过两年的法医药物化学家和法医血清学家。
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