flickering light的用法和樣例：
例句
- Flickering light increased the duration of the afterimage.Central fixation was stimulated by projecting the afterimage on detailed near work such as reading or sewing.
閃爍光背景增加后像持續時(shí)間，利用后像對準閱讀材料或精細作業(yè)，激發(fā)中心凹注視能力，改善注視功能，提高中心凹視力。 - A policeman flagged down the car with his flash light.
警察揮動(dòng)閃光燈讓那輛車(chē)停下。 - He switched on the flashing light and set off the siren.
他交換了在閃光燈和引起了警報器。
