pentose-nucleic acid (pna )pna (= pentose-nucleic acid)pna戊: the fifth of the ten Heavenl ...核酸: nuclein; nucleic acid核醣核酸: ribonucleic; rna去氧核醣核酸: dna脱氧核醣核酸: dna下载手机词典可随时随地查词查翻译