night-light

详细解释:n. 夜灯

英语解释：

名词 night-light:

light (as a candle or small bulb) that burns in a bedroom at night (as for children or invalids)

详细解释：

night-light

n.（名词）
A small, dim light left on all night.
夜亮灯：夜间一直开着的光线暗的小灯