urinary tract infections 基本例句 泌尿道感染 Recent studies have shown that circumcised men are at significantly lower risk ofurinary tract infectionsand sexually transmitted infections such as syphilis and chancroid.最近研究表明，包皮环割的男人泌尿道感染和性传播疾病如梅毒和软下疳感染危险性显著降低。