Streprococci and staphylococci are responsible for a wide variety of infections.链球菌和葡萄球菌是引起各种感染的原因.Objective To invetigate the condition of erm genes in methicillin resistant coagulase negative staphylococci ( MRCNS ).目的...
The conjunction of low inflation and low unemployment came as a very pleasant surprise.低通货膨胀与低失业的同时出现是一大惊喜。The conjunction of heavy rains and strong winds caused flooding.大雨和大风加在一起造成了洪水泛滥.Though is a concessive conjuncti...