| 单词 | immediate component |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔ribonucleotide〕A nucleotide that contains ribose as its sugar and is an immediate component of RNA.核糖核酸：一种包含核糖作为其糖分的核苷酸，且是RNA的一种直接成分美国传统 |
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