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。
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。
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。
Those rays from the sun directly reflected from the lit side of the rings onto the planet strike and illuminate the night-side southern hemisphere, as seen in the full resolution.
那些来自太阳的光线实则反射自光环的明亮面，然后投至土星隐没在黑夜中的南半球，正如图中所示。
The shooting-range is lit from underneath by rows of ruby-red light fixtures.
射击场被一排排宝石红照明装置从下面照亮。
Charles lit the fuses and they ran for cover.
查尔斯点燃了导火索，大家跑向掩蔽处。
A few gleams of sunshine lit up the gloomy afternoon.
太阳的光线使阴暗的下午亮了起来。
Campaigners lit scores of bonfires in ceremonies to mark the anniversary.
参加活动的人们在仪式上点起了许多堆篝火，以庆祝这一周年纪念日。
The lights went out so we lit candles.
灯灭了，所以我们点燃了蜡烛。
She recalls watching the ship, brightly lit, slipping into its dark grave—and into seeming nothingness, rarely mentioned for more than half a century.
她回忆说，她看到那艘灯火通明的船滑入黑暗的坟墓，进入了半个多世纪以来很少被提及的虚无之中。
The man poured petrol down the hole and then lit a match in an attempt to kill the offending arachnid.
这名男子将汽油倒进洞里，然后点燃了一根火柴，试图杀死这只讨厌的蜘蛛。
It was dark and a giant moon lit the road so brightly you could see the landscape clearly.
天黑了，一轮明月照亮了道路，你都可以清楚地看到风景。
蜡烛都点着了。
The stairwell was lit by a single bulb.
楼梯间只有一盏灯照明。
Guns were blazing, flares going up and the sky was lit up all around.
枪声响个不停，照明弹升起来，周围的天空都被照亮了。
He ignored all the 'No Smoking' signs and lit up a cigarette.
他无视所有“禁止吸烟”的警示，点了香烟。
His eyes lit up when she walked into the room.
看见她走进房间，他两眼一亮。
She tore off the cellophane, pulled out a cigarette, and lit it.
她撕开玻璃纸，拿出一根香烟并点着。
She crossed the softly lit room.
她穿过灯光柔和的房间。
A tree, gloriously lit by autumn, pressed against the windowpane.
一棵被秋色染得绚丽多彩的树压在窗玻璃上。
If this happens, the bad luck that goes with the deed falls upon the person whose cigarette was the last to be lit.
如果发生这种情况，那么厄运就会降临到最后点燃香烟的人身上。
The curtain is going up slowly, and all the lights over the stage are lit up.
幕布缓缓升起，舞台上所有的灯光都亮了起来。
Look! The curtain is going up slowly, and all the lights over the stage are lit up.
看！幕布缓缓升起，舞台上所有的灯光都亮了起来。
When the lanterns are lit, they slowly rise into the air like small hot air balloons for all to see.
当灯笼被点亮时，它们就像小热气球一样慢慢升到空中，供所有人观赏。
When the scarf was taken off, the Star-Child found himself in a dungeon, which was lit by a lantern of horn.
当头巾被取下来时，星孩发现自己在一个地牢里，一盏牛角灯照亮着地牢。
While the candle is being lit, a principle is recited; then each person present takes a turn to speak about the importance that principle has to himself or herself.
蜡烛点燃时，人们要背诵一条原则；然后在场的每个人轮流讲述该原则对自己的重要性。
He lit the candle and could tell the time by counting the number of parts left of the burning candle.
他点燃了蜡烛，因为通过计算着燃烧着的蜡烛剩下的部分就能推测时间。
Prometheus lit a torch from the chariot and put the fire in a hollow stalk that he concealed under his cloak.
普罗米修斯从战车上点燃一支火把，把火放在一根空心的茎里，藏在他的斗篷里。
When the light was lit again, Sebastian noticed that John was deadly pale and trembling like an aspen leaf.
当灯光再次亮起时，塞巴斯蒂安注意到约翰脸色像死一般惨白，像一片白杨树的叶子一样在颤抖。
When it was nearly morning, some fishermen lit a fire on the shore about half a mile away.
快到早晨的时候，一些渔民在半英里外的岸边生火。
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