The letters A, C, G, and T stand for adenine, cytosine, guanine, and thymine respectively, the basic building blocks of DNA.是什么意思_The letters A, C, G, and T stand for adenine, cytosine, guanine, and thymine respectively, the basic building blocks of DNA.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句