| 词汇 | retrovirus |
| 词根词缀 | 词源： 1977, earlier retravirus (1974), from re(verse) tra(nscriptase) + virus. So called because it contains reverse transcriptase, an enzyme that uses RNA instead of DNA to encode genetic information, which reverses the usual pattern. Remodeled by infl. of retro- "backwards." |
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