secondary reflex

例句：

1. 1. The doctor noticed a secondary reflex in the patient's arm.
   医生注意到病人手臂上有次级反射。
2. 2.During the experiment, we observed several secondary reflexes that were not expected.
   在实验过程中，我们观察到了几个未预料到的次级反射。
3. 3.The researcher found that the animal had developed secondary reflexes to escape from predators.
   研究者发现动物已经发展出了次级反射来逃避捕食者。