词汇	pre-rrna
释义	pre-rrna pre-ribosomal RNA
随便看	gradation histogram gradation histo gram Gradation in Blended Colors gradation index gradationing gradation in size gradation in speciality gradation is district Gradation level gradationly gradation of cities gradation of coarse aggregates gradation of color gradation of colours gradation of crime gradation of disability gradation of farmland gradation of grain gradation of grey gradation of image gradation of insulation gradation of moisture gradation of sediment-laden gradation of shifting sand gradation of teachers