The other two, thymine and cytosine, are single ring structures called pyrimidines.

另两个为胸腺嘧啶和胞嘧啶, 即称为嘧啶的单环结构.

辞典例句

There are just four kinds: adenine, thymine, guanine and cytosine.

只有4种: 腺嘌呤 、 胸腺嘧啶 、 鸟嘌呤和胞核嘧啶.

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Thymine or thymine nucleotide concentration was all disqulified.

胸腺嘧啶或胸腺嘧啶核苷均不合格.

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Tritium labeled thymine deoxyriboside ( [ 3 H ] TdR ) uptake was measured to observe DNA synthesis.

氚胸腺嘧啶核苷 ( [ 3H ] TdR ) 掺入法检测TP40对T24细胞蛋白质合成的抑制作用.

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Then they timed the reactions that caused the new thymine bonds to form.

然后他们记录了产生新的胸腺嘧啶键形成的反应.

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