Silicate minerals are characteristically refractory and difficult to break down.硅酸盐矿物的特点是耐熔和难以分离.refractory metals难熔金属The key to treatment of refractory ores is preoxidation and deleading absorption of carbon on gold.这些方...

adj.执拗的，倔强的，难治疗的，耐熔的n.倔强的人，耐火物质...

Silicate minerals are characteristically refractory and difficult to break down.硅酸盐矿物的特点是耐熔和难以分离.Reflux leads to recurrent or refractory aspiration pneumonia.反流可引起复发的难治的吸入性肺炎.Successive bouts of heart failure are apt to ...

refractory的音标：refractory的英式发音音标为：[rɪ'fræktəri]refractory的美式发音音标为：[rɪ'fræktəri]...

refractory的复数形式为：refractories...