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adj.难治的；难熔的；不听话的
n.倔强的人；耐火物质
1、detractory───贬损
2、refractor───n.折射透镜；折射媒体；[光]折射望远镜
3、refracture───n.骨再折术
4、refractors───n.折射透镜；折射媒体；[光]折射望远镜
5、refractorily───adv.耐火地；难对付地
6、refractometry───n.屈光计检查；量测折射法
7、refractary───耐火材料
8、retractor───n.[外科]牵开器；收缩筋；食言的人
9、refectory───n.食堂；（修道院，学院等处的）餐厅
1、Hematuria is one of the main symptoms, which is often recurrent, refractory protracted illness.───血尿是其主要症状之一，常反复发作，病情迁延难愈。
2、Staring is one of the causes of refractory problems.───凝视是导致难治型眼病的主要原因 (Staring)。
3、Intra-abdominal carcinomatosis with intestinal obstruction is usually a terminal and refractory event.───腹腔内转移扩散合并肠阻塞通常是末期及难以治疗的。
4、The same minerals that occur in refractory inclusions are believed to be the earliest-formed substances to have condensed out of the solar nebula.───难熔的内含物中的那种矿物质，也被认为是最早形成的太阳星云凝结的物质。
5、Today RCE is market leader in the supply of these furnaces for the calcination of raw materials used for refractory applications.───是提供这些耐火材料应用中煅烧原料的窑炉的市场领先者。
6、Today RCE is market leader in the supply of this kiln type for sintering of raw materials used for refractory applications.───是这类用于耐火材料应用的原料的烧结窑的市场领先者。
7、Equally perplexing constituents of Allende are the refractory inclusions: irregular white masses that tend to be larger than chondrules.───阿连德陨石中同样令人困惑的成分是那些耐高温的内部物质：往往比陨石球粒要大的不规则白色块状物。
8、Consequently, remediation of sediments contaminated by refractory organic pollutants is one of the urgent environmental issues at present.───因此，对底质中难降解有机物的修复是目前所迫切需要解决的环境问题之一。
9、A vessel made of a refractory substance such as graphite or porcelain, used for melting and calcining materials at High temperatures.───坩埚一种用石墨或瓷等耐熔物质制成的器具，用来在高温时熔化或煅烧原料