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...
Ah yes, but think of all the family life they're missing.是这样，不过别忘了他们错过了多少天伦之乐。He was sitting there saying, "Yes, the figures make sense."他坐在那儿说：“是的，这些数字可以理解。”Mr Wade answers both questions with a qualified yes.韦德先生对...