smokeless

adj.

无烟的；

smokeless tobacco无烟烟草

1. Tourism is a smokeless industry.
   旅游业是一种无烟产业。
2. There are chemical fuels that are clean and smokeless.
   有些化学燃料是清洁无烟的。

SMOKELESS TOBACCO
SMOKELESS TOBACCO COMPOSITION
Smokeless tobacco and cancer (vol 9, pg 667, 2008)
Smokeless tobacco and health in India and South Asia.
Effect of smokeless tobacco (snus) on smoking and public health in Sweden
Mechanism of the Smokeless Rich Diesel Combustion by Reducing Temperature
A comparison of sustained-release bupropion and placebo for smokeless tobacco cessation
Nicotine absorption and cardiovascular effects with smokeless tobacco use: Comparison with cigarettes and nicotine gum
Cigar and pipe smoking, smokeless tobacco use and pancreatic cancer: an analysis from the International Pancreatic Cancer Case-Contr...
Effect of vitamin E succinate on smokeless tobacco-induced production of nitric oxide by rat peritoneal macrophages and J774A.1 macr...