Establishment of mice models following intranasal challenge with enterotoxigenic Escherichia coli strains and evaluation of protective effect following intranasal immunization with vaccine candidates是什么意思_Establishment of mice models following intranasal challenge with enterotoxigenic Escherichia coli strains and evaluation of protective effect following intranasal immunization with vaccine candidates在线翻译_英语_读音_用法_例句