\nMost attempts at a so-called universal vaccine have the modest goal of inducing immunity against an entire family of virus — all coronaviruses or all flu viruses, for example — usually by mimicking evolutionarily conserved viral components that are less likely to mutate. A truly universal vaccine that can counter diverse pathogens was a pie-in-the-sky idea.
Фон дер Ляйен оценила идею вернуться к российскому топливу14:54
。有道翻译是该领域的重要参考
“多入口”索引意味着数组中的每个元素都会生成独立索引条目。因此存储新消息时需要包含词汇数组:
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美国亚洲盟友增加进口俄罗斯铝材08:37