He is a duty doctor for emergency cases.

他是一个急诊值班医生。

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Wards a duty doctor and two nurses are busy tension.

病房里一个值班医生和两个护士正在紧张忙碌着。

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Duty doctor: The duty doctor is a doctor standby off site that is responsible to provide medical service in case of medical emergency on site.

值班医生：医生的职责是待命已备现场，负责提供医疗服务的现场急救。

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"I can't remember if I mentioned the dentures, but it was a duty doctor and her throat wasn't checked, " she said.

BBC: False teeth stuck in woman's throat for nine weeks

They fear that by blurring the boundary between health and disease, DSM-V loses sight of a doctor's first duty: to do no harm.

ECONOMIST: Psychiatric diagnosis

The difficulty is that they have a duty of patient confidentiality which is central to the success of the doctor-patient relationship and means that patients feel able to confide honestly with their GP.

BBC: Gun concerns: Why doctors should not always speak out