Noun:

1. lining consisting of material with a high melting point; used to line the inside walls of a furnace

Adjective:

1. not responding to treatment;

   "a stubborn infection"
   "a refractory case of acne"
   "stubborn rust stains"
   

2. temporarily unresponsive or not fully responsive to nervous or sexual stimuli;

   "the refractory period of a muscle fiber"
   

3. stubbornly resistant to authority or control;

   "a fractious animal that would not submit to the harness"
   "a refractory child"
   

backwardadj.向后的；落后的adv.向后

defiantadj.挑衅的；目中无人

stubbornadj.顽固的；倔强的；难对付的

recalcitrantadj.反抗的；顽强的

headstrongadj.顽固的；刚愎的；任性的

rebelliousadj.叛逆的；难以控制的

obstinateadj.固执的；倔强的；不易屈服的；（病）难治的

intractableadj.难驾驭的；倔强的；难加工的；难治疗的

waywardadj.任性的；倔强的；刚愎的

noncompliantn.不顺从的人；固执的人adj.不顺从的；不服从的

unrulyadj.难控制的；无法无天的；任性的

unmanageableadj.难处理的；难控制的；处理不了的

disobedientadj.不服从的；不顺从的

fractiousadj.脾气不好的；易怒的；表示不满的；捣乱的

furnace lining炉衬

1. 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。

1. 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。
2. 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。
3. 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。