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Vaccine was adapted from Latin vaccīnus, which means literally ‘of a cow’ 疫苗改编自拉丁语vaccīnus，字面意思是“牛”，英语有很多单词来自罗马拉丁文，杨老师没必要把这些讲地这么细，很多东西都简化了讲的，所以你们看得时候会有些牵强。还有，对于语言学习，不仅自己要跟老师，还要自己总结，找到自己的方法。
熊猫小胖
vaccine.
1、vaccine的读音：英 [ˈvæksiːn]，美 [vækˈsiːn]。
2、释义：n.疫苗；菌苗。
3、例句：
Anti-malarial vaccines are now undergoing trials
抗疟疾的疫苗正在试验阶段。
Seven million doses of vaccine are annually given to British children.
英国孩子每年要接种7百万剂疫苗。
Painful typhoid injections are a thing of the past, thanks to the introduction of an oral vaccine
自从发明了口服疫苗后，令人痛苦的伤寒疫苗注射就成为了过去。
McCarthy was asked to analyse the data from the first phase of trials of the vaccine
麦卡锡被要求对第一阶段疫苗试验的数据作出分析。
The new vaccine may rid the world of one of its most terrifying diseases.
这种新疫苗可能会消除世界上最可怕的一种疾病。
There have been problems with the formulation of the vaccine
疫苗的配方有些问题。
The researchers hope that such a vaccine could be available in about ten years 'time
研究人员期望能在大约10年内研制出这样的疫苗。
Roll on the day someone develops an effective vaccine against malaria.
盼望有一天有人会研制出一种能有效预防疟疾的疫苗。
The vaccine had been produced by an unconventional technique
该疫苗是用非传统工艺生产的。
When he tested an early vaccine on himself, some described the act as foolhardy
当他在自己身上试验还处在初级阶段的疫苗时，有些人说他的行为是蛮干。
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