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

• 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。
• I like the light on the ceiling.
  我喜欢天花板上的灯。
• You should turn the light on at dark.
  黄昏时你应开灯。
• That information may cast light on the mystery.
  那项情报可能有助于查明那件疑案。
• She drew down the curtains and turned the light on.
  她拉下窗帘打开灯。
• They will light on you and your descendants as a sign and a wonder for all time.
  这些咒骂对你和你的子孙，永远是一个徽号和征兆。
• He still could not throw any further light on why the elevator could have become jammed
  对于电梯为什么会卡住他仍旧给不出更多的解释。
• 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。
• 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。
• Photographs are made possible by the action of light on paper.
  照片是由光线对底片发生作用而形成的。