| 释义 | 
		re·frac·to·ri·ness \-rēnə̇s, -rin-\ noun (-es)  : the quality or state of being refractory: as  a.  : the ability of a material to resist a high temperature  b.  : the insensitivity to further immediate stimulation that develops in nervous or other irritable tissue as a result of intense or prolonged stimulation |