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An ubiquitous virus, encephalomyocarditis, has been demonstrated upon occasion to affect swine.
曾经证实一种到处有的病毒-脑心脊炎病毒——偶尔侵害猪。
youdao
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An ubiquitous virus, encephalomyocarditis, has been demonstrated upon occasion to affect swine.
曾经证实一种到处有的病毒-脑心脊炎病毒——偶尔侵害猪。
youdao