形容词
中文翻译：难治的
同义词：
['intractable', 'stubborn', 'tenacious']
例句：
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1. The patient was refractory to the treatment.
病人对治疗有抗性。
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2. The disease is refractory to conventional treatments.
这种疾病对常规治疗方法有抗性。
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3. The scientist'sresearch was refractory to criticism.
科学家的研究对批评有抗性。