vaccination
英 [,v?ks?'ne???n]
美[,v?ksn'e??n]
- n. 接種疫苗；種痘
考試真題
- With no known vaccination or cure available, it seems only a matter of time until another epidemic erupts.
出自-2013年6月聽力原文
- When some refuse vaccination and seek a free ride, immunity breaks down and everyone is in even bigger danger.
2017年高考英語(yǔ)北京卷 閱讀理解 閱讀C 原文
- When vaccination rates are very high, as they still are in the nation as a whole, everyone is protected.
2017年高考英語(yǔ)北京卷 閱讀理解 閱讀C 原文