such-andBNC²³⁶²¹³⁺¹ 例句 Six, in recent years study found himself hepatitis b virus, such-and-such hepatitis b virus, TTV virus can also cause viral hepatitis, its epidemiology bar was still underway. 近年来研究发现己型肝炎病毒、庚型肝炎病毒、 TTV病毒亦可造成病毒性肝炎，其流行病学条尚在进行中。9nhk