Recent studies suggested that erythromycin may be effective in prophylaxis against pertussis in exposed, susceptible persons.最近的研究提示,红霉素对暴露于百日咳的易感者,在预防上有效.Whooping cough is a serious respiratory disease caused by Bordete...
...cutting corporate flab and building leaner companies.削减企业赘肉，建立瘦身型公司The job cuts will make it leaner but also hurt morale.裁员将使其瘦身,但也会大伤其元气.Cabbage was always a depressing reminder of the leaner years of my childhood.卷心...
Content in this article may be relevant to you.在这篇文章的内容可能不是您相关的.Global averages may not always be relevant to your web site.全球数据并不能表明这与你的网站相关.Placement page category must be relevant to clients category and keywords.页面类必...