Level 5 · word 7,960 of 20,000

reflex

/ˈriːfleks/ American
Picture: reflex
  • n. 反射, 反射动作
  • adj. 反射的
Definition
  • n. an automatic movement of the body in response to something
  • adj. happening automatically without thinking
Example
The doctor tested his reflex by tapping his knee.
医生通过敲他的膝盖来测试他的反射。