When the cause of the disease was found to be a virus it was named tobacco rattle virus.

当人们发现引起这种病害是一种病毒时，便称它为烟草脆裂病毒。

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When the cause of the disease was found to be a virus it was named tobacco rattle virus.

当人们发现引起这种病害是一种病毒时，便称它为烟草脆裂病毒。

youdao