词汇	double-return stair
释义	double-return stair 双分式楼梯
随便看	Unconditioned Law unconditionedly unconditioned motor reflex unconditionedness unconditioned observations unconditioned orientaing reflex unconditioned orientating reaction unconditioned orientating reflex unconditioned reflex unconditioned reflex activity unconditioned reflex audiometry unconditioned reflexes unconditioned reflex reinforcement unconditioned reflexUCR unconditioned reinforcer unconditioned response unconditioned responseUCR Unconditioned salivary reflex unconditioned stimulation unconditioned stimuli unconditioned stimulus unconditioned stimulusUCS unconditioned stimulus ucs unconditioned zone unconditioning