Guanine A nitrogenous base found in DNA and RNA.Guanine has a pruine ring structure.
是存在于DNA与RNA中含氮碱基，具有个嘌呤环结构。
Preoxygenation replaces the primarily nitrogenous mixture of ambient air, which constitutes the patient's functional residual capacity, with oxygen.
这样可以氧气取之前被氮气占据肺泡。
Malt extract is made by extracting the soluble products from sprouted grain,used in mycological as a source of carbohydrate and nitrogenous.
性状本品系大麦提取水，于配制真菌培养基，提供碳水化合及氮源。
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Each composition of this nitrogenous base, pentose sugar, and phosphate group is called Nucleotide.
这种氮碱基、戊糖和磷酸基的每一种组成称为核苷酸。
Now this business of taking out the nitrogenous trash is one of the urinary system's biggest jobs.
现在这个清除氮垃圾的工作是泌尿系统最重要的工作之一。
Other nitrogenous wastes include uric acid and creatinine.
其他氮废物包括尿酸和肌酐。
One of the most important things the kidneys excrete is nitrogenous waste.
肾脏排出的最重要的东西之一是氮废物。
I was congested from having breathed all that nitrogenous place that's in the air.
我因为吸入了空气中所有的氮化合物而感到鼻塞。
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划词翻译
详细解释
含氮碱基，具有个嘌呤环结构。
医学科普 理学篇 
有
氧气取
之前被
，
氮
