light on

英 [laɪt ɒn]

美 [laɪt ɑːn]

（偶然）发现

柯林斯词典

• PHRASAL VERB 忽然注意到；突然发现
  If youlight onsomething orlight uponit, you suddenly notice it or find it.
  1. Her eyes lit on the brandy bottle that Atanas had dropped on the floor.
     她的视线突然落到阿塔纳斯掉在地上的白兰地酒瓶上。

双语例句

• Buy a dimmer switch and keep the light on low, or switch it off altogether
  买一个调光开关，把灯光调暗，或者干脆把灯关掉。
• As I approached the house, I noticed a light on upstairs.
  当我走进这栋房子时，注意到了楼梯上的灯。
• The container is invisible until you shine an ultraviolet light on it
  那个柜子只有用紫外线照射才可以看见。
• A new approach offers an answer, and may shed light on an even bigger question.
  新的方法提供了一个答案，并且可能让人们对一个更大的问题有进一步的了解。
• Your investigation has thrown light on this question.
  你们的调查使得这个问题弄清楚了。
• The light on the lighthouse suddenly went out.
  灯塔上的灯突然灭了。
• A recent NBER paper* sheds light on why this might be the case.
  最近一个NBER论文解释了为什么可能是这样。
• The moon's round orb would shine high in the sky, casting its velvety light on everything.
  圆盘似的月亮会高悬在夜空中，将柔和的月光洒向人间万物。
• Fitch said the recall and sales suspension casts a negative light on Toyota's reputation for quality.
  惠誉说，召回和暂停销售给丰田的质量声誉带来了不利影响。
• You should turn the light on at dark.
  黄昏时你应开灯。