reflex
/ˈri:fleks; `riflɛks/ n
(also `reflex action) involuntary action (eg sneezing or shivering) made instinctively in response to a stimulus 反射作用（受刺激後的本能反应, 如打喷嚏或发抖）
Sorry I hit you; it was a pure reflex. 对不起我撞著你了; 这完全是无意的.
have quick, slow, normal, etc reflexes 产生迅速的、 缓慢的、 正常的...反射动作
test/control one's reflexes 测验[控制]自己的反射动作
[attrib 作定语]
a reflex movement, response, etc, ie one arising from a reflex 反射运动、 反射性反应.