conditioned and unconditioned reflex条件: condition; term; factor及: reach; come up to非条件反射: non conditional reflex; non-conditional reflex; ref unconditioned reflex; ucr; unconditioned reflex非条件反射, 无条件反射: unconditioned reflex先天反射, 非条件反射: inborn reflex下载手机词典可随时随地查词查翻译