双语例句原声例句
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你儿子应当注射预防天花的预防针。
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几乎得天花的所有人都会有明显的疹子。
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今天，各国在世界卫生大会上讨论了有关天花的两份报告。
Today, countries at the World Health Assembly discussed two reports regarding smallpox.
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We know now that it's caused by a related virus, called vaccinia, remember the virus that causes smallpox is called variola.
我们现在知道这病由一种相关的病毒引起,这种病毒叫牛痘病毒,想想天花病毒也被叫做牛痘病毒
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The last reported case of smallpox in the-- naturally occurring smallpox, was in 1977, a man in Somalia was infected.
最后一例天花报告,自然产生的天花,是在一九七七年,一个索马里人感染了
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And he started with a similar but different observation, and that was that cows get a disease that's very similar to smallpox.
他首先观察到一种类似但不同的情况,就是牛得了一种很像天花的病
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