在过去二十年里，存在通过血液传染的病毒负责非甲非乙型肝炎怀疑但尚未确定。

During the last two decades, the existence of a blood-borne virus responsible for non-A, non-B hepatitis was suspected but not identified.

youdao

在过去二十年里，存在通过血液传染的病毒负责非甲非乙型肝炎怀疑但尚未确定。

During the last two decades, the existence of a blood-borne virus responsible for non-A, non-B hepatitis was suspected but not identified.

youdao