conditioned reflex

例句：

1. 1. The dog's conditioned reflex kicked the door open.
   这只狗的条件反射把门踢开了。
2. 2.The scientist discovered a new conditioned reflex in the animal.
   科学家在动物身上发现了一种新的条件反射。
3. 3. The child's conditioned reflex made him jump out of his chair.
   孩子的条件反射让他从椅子上跳了起来。