寻求一劳永逸的流感疫苗——打一针就能终身免疫的努力已经进行了几十年。 许多研究团队都致力于此。
The hunt for a universal flu vaccine, a single shot that would provide lifelong immunity, has been going on for decades, and many teams of researchers have been on the case.
“这目前还不清楚”同时“也是许多人思索的话题，”一个致力于回答这个问题的研究团队报告说。
"It has remained unclear" and "has been the topic of much speculation," report a team of researchers who aimed to answer just that question.
更准确地说，研究团队是发现了许多有序的小区域，但没有较大的区域，这说明这块材料还不是超导材料。
More precisely, the team found many small regions of order but no larger ones, which meant that the material was not superconducting.
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