详细解释:【化】 核糖核酸; RNA
【医】 核糖核酸
英语解释：
名词 ribonucleic acid:
(biochemistry) a long linear polymer of nucleotides found in the nucleus but mainly in the cytoplasm of a cell where it is associated with microsomes; it transmits genetic information from DNA to the cytoplasm and controls certain chemical processes in the cell同义词：RNA