レトロウイルスだった
retorōirusudatta
1. Was a retrovirus.
Noun
#132840
1. Was a retrovirus.
1. retrovirus
1. If it were a retrovirus; When it is a retrovirus
1. endogenous retrovirus; ERV
1. Retrovirus.
1. If it were a retrovirus; When it is a retrovirus
1. If retrovirus; When retrovirus
1. It was a retrovirus.
1. Wasn't a retrovirus.
1. with retroviruses; by retroviruses