世卫组织在“世界无烟日”发出上述呼吁。
The U.N. organization issued the call on World No Tobacco Day.
5月31日将在世界各地庆祝世界无烟日。
World No Tobacco Day is celebrated around the world on May 31.
世界无烟日广告，吸烟会先毁掉你的视力。
活动计划在一些国家，以庆祝世界无烟日。
Events are planned in a number of countries to mark World No Tobacco Day.
为应对青少年面临的这种危险，今年世界无烟日活动的重点是下列主要理念。
In response to this threat, World No Tobacco Day 2008 campaigns for a.
为应对青少年面临的这种危险，今年世界无烟日活动的重点是下列主要理念。
In response to this threat, World No Tobacco Day 2008 campaigns for a.
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