it is light on信息详情
灯亮着
light is on───灯亮着
it is light───它很轻
is on it───准备就绪；决定动手做某事
light on───（偶然）发现；偶然遇见（碰见，发现）；停落于
it is on me───我请客
it is on fire───它着火了
when it is on───当它打开时
is it is───是吗
parking light on───驻车灯亮起
If you are looking up at the sky on a clear night and you see a sudden flash of light, it is probably a shooting star!───如果你在晴朗的夜晚仰望天空，突然看到一道闪光，那可能是颗流星！
Rogers found that a chick's lateralisation depends on whether it is exposed to light before hatching from its egg—if it is kept in the dark during this period, neither hemisphere becomes dominant.───罗杰斯发现，小鸡的偏侧性取决于它在孵出蛋之前是否暴露在阳光下——如果在这段时间里保持黑暗，右脑或左脑都不会占优势。
Most Roman pottery is light and smooth to touch and very tough, although, like all pottery, it shatters if dropped on a hard surface.───大多数罗马陶器轻巧而光滑，摸起来很硬，但像所有的陶器一样，如果掉在坚硬的物质上就会碎裂。