Scientists study the role of thymine in genetic mutations.

科学家研究胸腺嘧啶在基因突变中的作用。

Adenine pairs with thymine in DNA.

腺嘌呤在DNA（deoxyribonucleic acid，脱氧核糖核酸）中与胸腺嘧啶配对。

Thymine pairs with adenine in DNA.

胸腺嘧啶在DNA（deoxyribonucleic acid，脱氧核糖核酸）中与腺嘌呤配对。

Damage to thymine can lead to errors in DNA replication.

胸腺嘧啶的损伤可能导致DNA（deoxyribonucleic acid，脱氧核糖核酸）复制错误。

The structure of thymine was first discovered in the early 20th century.

胸腺嘧啶的结构在20世纪初首次被发现。

Thymine is one of the four nucleobases in the nucleic acid of DNA.

胸腺嘧啶是DNA（deoxyribonucleic acid，脱氧核糖核酸）核酸中的四种碱基之一。

Thymine or thymine nucleotide concentration was all disqulified.

胸腺嘧啶或胸腺嘧啶核苷均不合格.

Adenine with thymine, and guanine with cytosine.

腺嘌呤配胸腺嘧啶，鸟嘌呤配胞嘧啶。

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.

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.