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- The most abundant bases are cytosine, thiamine, and uracil (pyrimidines) and adenine and guanine (purines). 最豐富的堿基是胞嘧啶，胸腺嘧啶，尿嘧啶，腺嘌呤和鳥(niǎo)嘌呤。
- One of the purines(adenine and guanine) or pyrimidines(cystosine, thymine, and uracil) that occurs attached to the sugar component of DNA or RNA. 堿基嘌呤（腺嘌呤和鳥(niǎo)嘌呤）或嘧啶（胸嘧啶、胸腺嘧啶和尿嘧啶）的一種，附著(zhù)在脫氧核糖核酸或核糖核酸的糖分子上
- One of the purines(adenine and guanine)or pyrimidines(cystosine, thymine, and uracil)that occurs attached to the sugar component of DNA or RNA. 堿基嘌呤（腺嘌呤和鳥(niǎo)嘌呤）或嘧啶（胸嘧啶、胸腺嘧啶和尿嘧啶）的一種，附著(zhù)在脫氧核糖核酸或核糖核酸的糖分子上
- One of the purines(adenine and guanine)or pyrimidines(cystosine,thymine,and uracil)that occurs attached to the sugar component of DNA or RNA. 堿基嘌呤（腺嘌呤和鳥(niǎo)嘌呤）或嘧啶（胸嘧啶、胸腺嘧啶和尿嘧啶）的一種，附著(zhù)在脫氧核糖核酸或核糖核酸的糖分子上
- Uracil -- a pyrimidine found in RNA that base-pares with adenine. 尿嘧啶--核糖核酸中的一種嘧啶，與腺嘌呤形成堿基對。
- There are just four kinds: adenine, thymine, guanine and cytosine. 只有4種：腺嘌呤、胸腺嘧啶、鳥(niǎo)嘌呤和胞核嘧啶。
- Uracil －－ a pyrimidine found in RNA that base-pares with adenine. 尿嘧啶－－核糖核酸中的一種嘧啶，與腺嘌呤形成堿基對。
- An adenine on one chain is always matched with a thymine* on the other chain, and a guanine with a cytosine. 在一個(gè)鏈上一個(gè)腺嘌呤分子總是與另一個(gè)鏈上的一個(gè)胸腺嘧啶相匹配，而一個(gè)鳥(niǎo)嘌呤總是與一個(gè)胞核嘧啶分子相匹配。
- Shuttle Discovery was supposed to return on Aug. 發(fā)現者號航天飛機應該在8月8日返回.
- Rajender came into your factory on 26th,Aug . 遇到這種問(wèn)題，不知道其他公司怎么解決？
- When were you born? I was born on 15th Aug, 1981. 你什么時(shí)候出生的？我出生在1981年8月15日。
- In DNA, four different bases are found. Two of these, adenine and guanine, are double-ring structures called purines. 在dna中，有四種不同的堿基，其中的兩個(gè)為腺嘌呤和鳥(niǎo)嘌呤，即稱(chēng)為嘌呤的雙環(huán)結構。
- The nitrogen bases in DNA are adenine (A), guanine (G), thymine (T), and cytosine (C). 嘌呤一般包括腺嘌呤(adenine，A)和鳥(niǎo)嘌呤(guanine，G)2種，嘧啶有胸腺嘧啶(thymine，T)、胞嘧啶(cytosine，C)和尿嘧啶(uracil，U)3種。
- Guanine and cytosine were more sensitive to HMME. 腺嘌呤和胞嘧啶對血卟啉單甲醚的光動(dòng)力學(xué)損傷更敏感。
- Flavin adenine dinucleotide See FAD. 黃素腺嘌呤二核苷酸：參見(jiàn)：FAD.
- Adenine has a purine ring structure. 腺嘌呤具有嘌呤環(huán)的結構。
- Nicotinamide Adenine Dinucleotide. NAD. Nadide
- The code consists of combinations of four simple units, called bases, named adenine (A), thymine (T), cytosine (C) and guanine (G). 編碼是由四種簡(jiǎn)單的單位排列組合而成，這四種單位稱(chēng)為堿基，分別是腺嘌呤（A）、胸腺嘧啶（T）、胞嘧啶（C）及鳥(niǎo)糞嘌呤（G）。
- I'd like to make a reservation to Berlin for Aug, 8. 我想預定一張8月8日去柏林的機票。
- Please return completed form conference organizer before Aug. 請填寫(xiě)表格,并在其他。
