重点词汇
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美国
the United States of America; USA; US; United States; America
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医生
doctor; physician; surgeon; medico; sawbones; medical practitioner; medic; Dr.
An American doctor
美国
the United States of America; USA; US; United States; America
医生
doctor; physician; surgeon; medico; sawbones; medical practitioner; medic; Dr.