Though Gorely always smokes, its smoke is seen only sometimes (when the air reaches a certain temperature and humidity, it becomes visible).
虽然Gorely火山经常冒烟，但看到烟的时候少，因为当空气达到一定温度和湿度是，烟就看不见了。
Only 5.4% of the world's population was covered by comprehensive smoke-free laws in 2008, up from 3.1% in 2007, WHO reported today in its second report on the global tobacco epidemic.
世卫组织今日在其第二份全球烟草流行报告中指出，2008年世界人口只有5.4%受到全面无烟法律的保护，比2007年的3.1%有所增加。
If you hold it in your hand, you can only barely feel its weight, and it looks bluish and ghostly - like solid smoke.
如果把它放在手上你几乎感觉不到它的重量，看上去淡蓝色的如幽灵般——象固体的烟。
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