polio-

【医】灰质 双语例句 Note for Editors: Polio is spread by faecal-oral contact and can be prevented by an oral vaccine. 向编者提供的说明：脊髓灰质炎经由粪便-口腔接触传播并可通过口服疫苗进行预防。 Sustain the political and financial momentum for scaling up against the major infectious diseases and...

发布时间：2026-06-09 浏览量：0 polio