柯林斯詞典nucleotide /?nju?kl???ta?d/ 1. N a compound consisting of a nucleoside linked to phosphoric acid. Nucleic acids are made up of long chains (polynucleotides) of such compounds 核苷酸[biochem] 返回 nucleotide劍橋詞典one of a group of chemical compounds found in living cells in nucleic acids such as DNA and RNA 核苷酸（核酸中的一類化合物，例如 DNA 和 RNA） 返回 nucleotide