thymine
thymine — 名詞
1. a DNA base that joins with adenine as cells store and copy genetic information.
胸腺嘧啶
DNA中與腺嘌呤配對的鹼基
a DNA base that joins with adenine as cells store and copy genetic information.
In biology class, Ada learned that thymine pairs with adenine in DNA.
在生物課上，Ada 學到胸腺嘧啶會在 DNA 中和腺嘌呤配對。
pattern: thymine pairs with adenine
The chart showed thymine but no uracil in the sample of DNA.
圖表顯示這份 DNA 樣本裡有胸腺嘧啶，卻沒有尿嘧啶。
contrast: thymine in DNA, uracil elsewhere
During lab, Daichi marked each thymine with a blue dot on the model.
做實驗時，Daichi 在模型上的每個胸腺嘧啶都做了藍點記號。
After the scan, doctors found damaged thymine in several skin cells.
掃描後，醫師在幾個皮膚細胞裡發現受損的胸腺嘧啶。
The textbook says thymine appears in DNA but not in RNA.
課本說胸腺嘧啶出現在 DNA 裡，但不會出現在 RNA 裡。
- 5-methyluracil
a technical chemical name for the same substance
- nucleobase
a broader scientific class that includes thymine and other bases
文法句型
thymine in DNA
thymine pairs with adenine
damaged thymine in cells
用法筆記
Used mainly in biology and chemistry when people explain DNA structure, copying, or damage. It commonly appears with words such as adenine, DNA, mutation, and base pair rather than in everyday speech.