名词
中文翻译：结核菌素同义词
同义词：
['purified protein derivative (PPD)']
例句：
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1. The test detects the presence of tuberculosis in the body.
该测试检测体内是否存在结核病。
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2. Doctors use PPD to diagnose TB.
医生使用PPD来诊断结核病。
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3.After receiving the injection, the patient's skin reacted with a red rash.
注射后，患者的皮肤出现了红疹反应。