标签：flouride - 英国华人论坛

There is widespread debate about the addition of fluoride to drinking water, and this debate has been going on for years. Many experts say that the fluoride provides as much as a twenty five percent reduction in tooth decay every year, but o...英国华人论坛

I live in Manchester, England. It's a unique city. Apart from hosting one of the most famous football teams in the world, and having one of the dampest climates, (although Seattle is worse, apparently), it also has one of the strangest attri...英国华人论坛