Testing VD pathogen through PCR may efficaciously prevent, cure and control VD.利用PCR技术检测性病病原体,可有效的预防, 治疗和控制性病.Results In those pathogen there 52 % is Gram - positive bacteria, there 48 % is Gram - negative bacteria.结果致病菌...
房子里似乎悄然无声，安静得好像已经没人在住一样。The house seemed muted, hushed as if it had been deserted.哈里继承了这座房子以及相当大的一片土地。Harry inherited the house and a sizeable chunk of land.他的房子是我儿时唯一固定的家。His house was the only settled home I had as a c...
Diamonds have extreme resistance to abrasion.钻石极抗磨损.Erosion of pipes and vessels from abrasion by particles can be serious.由于固体颗粒的磨蚀作用,管子和容器的磨损严重.Abrasion also abets wind erosion.磨损作用也助长了风的侵蚀....
I shall persuade him to take the painkiller.我将说服他把药吃下去.You can pre-empt pain by taking a painkiller at the first warning sign.刚出现征兆时，就服用止痛片来预防疼痛。Yet Gerard received no relief except for ibuprofen, a mild painkiller.然而Ger...
Books provide children with ideas and a stimulus for play.书不仅给孩子们以思想，而且使他们玩得更有意思。Regard each failure as a stimulus to further efforts.把每次失利看成对进一步努力的激励.Poverty is a stimulus to industry.贫穷能使人勤劳....