单词 | ring vaccination |
释义 | Definition of ring vaccination in English:ring vaccinationnoun Medicine
Origin1950s. Definition of ring vaccination in US English:ring vaccinationnoun Medicine
Origin1950s. |
随便看 |
英汉双解词典包含464360条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。