Warning: file_put_contents(): Only 0 of 4893 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/80125.cn/index.php on line 58 unconditioned response英英字典_unconditioned response剑桥英语解释_unconditioned response柯林斯英文解释_食材鋪反向词典
1. N a reflex action innately elicited by a stimulus without the intervention of any learning process 無條件反射 (Also called (esp formerly) unconditioned reflex)→compare conditioned response