名词
中文翻译：主要症状
同义词：
['major symptom', 'primary symptom例句：1. The doctor diagnosed the patient with a cardinal symptom of diabetes.（医生诊断病人患有糖尿病的主要症状。）']
例句：
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1. The doctor diagnosed the patient with a cardinal symptom of diabetes.
医生诊断病人患有糖尿病的主要症状。
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2.The patient's cardinal symptom was difficulty breathing.
病人的主要症状是呼吸困难。
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3.Cardinal symptoms are often difficult to identify and require immediate medical attention.
主要症状往往难以识别，需要立即就医。