The blue crystals are additives that keep the lit cigarette burning by producing oxygen.

上面的蓝色晶体是能产生氧气使烟能持续燃烧的添加物。

youdao

The general idea is that you need a direction vector that is orthogonal to the lit surface.

总的来说，您需要一个与照射平面相垂直的方向向量。

youdao

1 a.m. - If you still have the energy, take a cab to Qasioun mountain for a view of the lit city below. Stalls on the uppermost roads sell coffee and grilled corn.

凌晨1点，如果你还有精力，可以打个车去Qasioun山去看看这个光亮的城市，山顶路边的小店有卖咖啡和烤玉米。

youdao

People are free to explore the lit formations in the Big Room.

VOA: special.2009.12.07

And soon the shirt was aflare Over the candle he'd lit while we lay.

很快衬衫在闪耀,透过我们躺下时他点燃的蜡烛。

耶鲁公开课 - 现代诗歌课程节选

The Buddha talked about it thousands of years ago, "Thousands of candles can be lit from a single candle, and the life of the candle will not be shortened.

佛在几千年前就谈到它，“一支蜡烛可以点燃千支蜡烛，蜡烛的生命不会被缩短。

哈佛公开课 - 幸福课课程节选

These problems have been exacerbated by the fact that Lithuania pegged its currency, the lit, to the dollar.

ECONOMIST: The great escape

As Obama spoke, the gymnasium lit up with the flashes of cameras and cellphones, glimmering like stars in the dimly lit room.

NPR: Obama Consoles Families, Survivors Of Texas Blast

Nicholls says the lit-up fields are still two years away from commercialization.

FORBES: Magazine Article