英语翻译Several meetings at the conference will examine efforts to di_英语解答

英语翻译
Several meetings at the conference will examine efforts to discover a vaccine to prevent the disease

人气：365 ℃　时间：2020-04-19 12:22:13

解答

几次在协商会上的会面将检测这种疫苗对疾病的预防作用.