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。
When you smoke, the burning of the cigarette creates something called carbon monoxide (CO) -- the same stuff that's created when your car burns gasoline.
当你吸烟，烟草燃烧产生CO——和你的汽车燃烧汽油产生的物质是同样的。
He plucked the burning cigarette up from the mat.
他把点着的香烟从席子上捡起来。
From today, smokers face a $234 on-the-spot fine for throwing away a burning cigarette and $117 for littering an extinguished butt.
从今天开始，烟民们若是乱丢没有熄灭的烟头将面临234刀的当场罚款，对那些乱丢熄灭的烟头的罚款117刀。
Smoking: Breathing the fumes of burning plant material, especially tobacco, from a cigarette, cigar, or pipe.
吸烟：吸入和呼出燃烧的植物所产生的烟，尤其是来自香烟、雪茄或烟斗中。
The static burning rate of cigarette is first increased, continuously come up to a "peak value", and then let up while the dosage of burning accelerant is increased.
在相同的实验条件下，卷烟的自由燃烧速度随助燃剂添加量的增加呈先增大后减小的变化规律。
There had been someone in our room just now, for I noticed a burning cigarette end on the floor when we opened the front door.
刚才有人在我们的房间里，因为我们打开前门进来时，我注意到地板上有一支仍在燃烧的香烟头。
Secondhand smoke, also known as environmental tobacco smoke (ETS), is a mixture of the smoke given off by the burning end of a cigarette, pipe or cigar and the smoke exhaled from the lungs of smokers.
二手烟，又被称为环境香烟烟雾(ets)，是由香烟，烟斗，雪茄，或是吸烟者肺部发散出来的烟雾混合体。
There had been someone in our room just now, because I noticed a burning cigarette on the floor when we opened the front door.
刚才有人在我们的房间里，因为我们打开前门进来时，我注意到地板上有一支仍在燃烧的香烟。
They leave burning cigarette ends or do not put out their barbecue fires.
他们把还在燃烧的烟头扔了或者是没有把烧烤的火熄灭。
They leave burning cigarette ends or do not put out their barbecue fires.
他们把还在燃烧的烟头扔了或者是没有把烧烤的火熄灭。
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