她保留了许多副本以便作进一步的注解。She retained a number of copies for further annotation.仔细填写申请表，并且保存副本。Fill out the application carefully, and keep copies of it.我给交通部长发送了一份副本。I sent a copy to the minister for transport....
Randolph's work was exclusively concerned with the effects of pollution on health.伦道夫的著作专门论述污染对健康的影响。...the articles that formed the basis of Randolph's book...构成伦道夫此书的基础的那些文章After a three-weekend courtship, Pa...
Local infection or trauma causing the adenopathy should be searched for carefully.局限性感染或外伤引起的淋巴结肿大应仔细检查.Oropharyngeal and dental infections can also cause cervical adenopathy.口咽炎及牙部感染同样导致颈部腺病.Supraclavicular adenopathy i...