Bacteria ( including meningococcus , among others ), often from infection elsewhere, produce the most dangerous forms. 由身体其它部位的细菌 ( 包含脑膜炎球菌在内 ) 传染所造成的最严重的感染形式.
He used elective system, replacing the stereotype of classical courses, students can pursue their professional interest.他采用选修制, 取代了刻板的古典课程, 学生们可以攻读他们感兴趣的专业.We is replacing all our salaried staff with freelancers.我们正在将所有领...