secondary conditioned stimulussecondary order conditioned stimulus二级: two stage; two level; second ...条件刺激: conditioned stimulus非条件刺激: unconditioned stimulation; unconditioned stimulus（ucs）光条件刺激: light conditioned stimuli条件刺激: conditioned excitation; conditioned stimulus，cs; conditioning stimulus; stimulus conditioned下载手机词典可随时随地查词查翻译
