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- Three codons, UAA, UAG, AND UGA serve as punctuation codons and are not translated into amino acids. UGA这三个密码子不翻译成氨基酸，起终止密码子作用。
- Our teacher is very fussy about punctuation. 我们的老师对标点符号非常重视。
- punctuation codon 标点密码子
- Our teacher has a bee in his bonnet about punctuation. 我们的老师没完没了地琢磨著标点符号。
- The children have never been taught punctuation. 这些孩子从未学过使用标点符号。
- A triplet of nucleotides; a codon. 三核苷酸，密码子
- Now, let's begin to learn punctuation. 那么，我们开始学习标点。
- Punctuation is likewise a hindrance. 标点也是一个累赘。
- Coding for the same amino acid as another codon. 为作为另一个密码子的同样的氨基酸编密码的.
- Beginners should learn the punctuation well. 初学者应该把标点学好。
- What punctuation shall we put here? 此处应是什么标点?
- A piece of writing without any punctuation is difficult to understand. 一篇没有任何标点符号的文章是很难懂的。
- What punctuation mark shall we put here? 这儿应该用什么标点符号?
- Full stop: Punctuation mark used to end a sentence. 句号:表示句子完结的标点符号。
- A punctuation mark(?)used in writing and printing. 破折号一种标点符号，用于写作或打字中
- You see, today he is going to teach us punctuation. 你看，今天他又准备教我们“标点符号”。
- Be consistent in grammar and punctuation. 在文法和标点符号上保持一致。
- Punctuation thus becomes the signature of cultures. 于是，标点成了不同文化的标志。
- Punctuation, then, is a matter of care. 由此说来，标点符号又是个要谨慎从事的问题。
- To provide(a text)with punctuation marks. 给（文章）加标点符号
