名词
中文翻译：初次尿液
同义词：
['initial urination', 'first urine']
例句：
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1.The doctor advised him to drink plenty of water before the initial urine test.
医生建议他在第一次尿检前喝足够的水。
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2.She was instructed to collect her initial urine sample for testing.
她被指示收集她的初次尿液样本进行检测。
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3. The patient's initial urine sample showed signs of infection.
患者的初次尿液样本显示有感染的迹象。