lining consisting of material with a high melting point; used to line the inside walls of a furnace
Adjective:
not responding to treatment;
"a stubborn infection"
"a refractory case of acne"
"stubborn rust stains"
temporarily unresponsive or not fully responsive to nervous or sexual stimuli;
"the refractory period of a muscle fiber"
stubbornly resistant to authority or control;
"a fractious animal that would not submit to the harness"
"a refractory child"
refractory的用法和样例：
例句
用作形容词 (adj.)
Despite very good hospice palliative care, some terminally ill patients still continue to experience intolerable, unrelieved pain and suffering from refractory symptoms. 尽管有很好的安宁缓和疗护，有一些末期病人仍会经历难以忍受无法缓解的疼痛与其他难治疗的症状。
用作名词 (n.)
Refractory children, lunatics, and criminals may require authority, and may need to be forced to obey. 对倔强的儿童，精神病人以及犯罪的人，需要使用权力，或者需要强迫服从。
Top quality basic and non-basic refractory products. 高质量的碱性和非碱性的耐火材料制品。
Taphole Mrx is a functional refractory material that used for the blast furnace. 高炉出铁口用炮泥是功能性耐火材料。
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