She stood up and began to pace to and fro.她站起身，开始来回踱步。The boat was rocking gently to and fro in the water.小船在水中轻轻地来回摇荡。They travel to and fro between London and Paris.他们奔走于伦敦和巴黎之间....
目的探讨影响宫颈腺癌预后的高危因素.Objective To assess prognostic factors in patients with cervical adenocarcinoma.食管腺癌可能起源于食管固有腺.Esophageal carcinomas probably originate from glands propria of esophagus.细支气管肺泡癌是肺腺癌的另一类型.This is another ...