uracil ['jʊrəsəl]

例句:

• Uracil -- a pyrimidine found in RNA that base - pares with adenine.
  尿嘧啶 -- 核糖核酸中的一种嘧啶,与腺嘌呤形成碱基对.
  
• Synthesis method of 6 - methyl uracil was studied.
  着重介绍了 6- 甲基脲嘧啶的合成方法.
  
• The most abundant bases are cytosine, thiamine , and uracil ( pyrimidines ) and adenine and guanine ( purines ) .
  最丰富的碱基是胞嘧啶, 胸腺嘧啶, 尿 嘧 啶,腺嘌呤和鸟嘌 呤.
  
• The Murchison meteorite was found to contain organic molecules such as uracil, nucleobase, and xanthine.
  来自SA