reflex
['ri:.fleks] noun
countable
■an uncontrollable physical reaction to something 反射动作；反射作用；本能反应•I'm sorry I punched him, it was a reflex action/response.我很抱歉打了他，那不过是一种反射动作／本能反应而已。 reflexes [plural]
■the ability to react quickly 反应能力•Fighter pilots need good/fast reflexes.战斗机飞行员需要有很好／快的反应能力。
['ri:.fleks] adjective specialized
■describes an angle that is more than 180° and less than 360° 优角（描述大于180°而小于360°的一个角） Compare acute ; obtuse |