标签: ‘existed

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Fauci says polio would still exist in the US if the ‘false informationcurrently being spread existed decades ago

30 观看次数0 注释

If the health misinformation currently spreading regarding coronavirus vaccines existed during the days of polio, it would have never been eradicated, 博士. 安东尼·福西, President Joe Biden's chief medical adviser, ...

At least five types of dog existed by the end of the Ice Age, 11,000 几年前

52 观看次数0 注释

For hundreds of years, dogs of all shapes and sizes -- labradors and terriers, chihuahuas and spaniels -- have held the position of man's best friend. 现在, a study published Friday in the journal Science has shown ...