| 释义 |
Pupils contract in bright light, and dilate in darkness.瞳孔在明亮的光线下会收缩，在黑暗中会扩大。The pupils of the eyes dilate as darkness increases.光线变暗时瞳孔就会放大。His eyes seemed slightly dilated.他的瞳孔似乎略微放大。The pupil of the eye was contracted to a minute point.眼睛的瞳孔收缩成一小点。A reflex causes the contraction of the pupils when exposed to light.反射作用使瞳孔在受光刺激时收缩。At night, the pupils dilate to allow in more light.到了晚上，瞳孔会扩大以接收更多光线。The little baby's lids, half-raised, showed the pupils horribly upturned.婴儿的眼皮半开，可怕地露出向上翘著的瞳孔。Her eyes were unblinking, the pupils dilated with shock.她眼睛一眨不眨，瞳孔因吃惊而变大。 |