Credit: The Pokémon Company
十年后，我们可能不止需要 iPhone 了。
。业内人士推荐新收录的资料作为进阶阅读
means exactly what it says.
In unvaccinated mice, these viruses caused dramatic weight loss — a sign of illness — and often death; their lungs were inflamed and full of virus. Vaccinated mice lost much less weight and all survived; their lungs were nearly clear of the virus.