noun 下载 🔗分享 腺嘌呤 A base, C5H5N5, found in certain glands and tissues, which pairs with thymine in DNA and uracil in RNA. Examples : "Simple Sentence: "In a DNA strand, adenine always pairs with thymine, like two puzzle pieces fitting together." " 在DNA链中,腺嘌呤总是和胸腺嘧啶配对,就像两块拼图完美地拼合在一起。 biochemistry biology chemistry compound substance element 与AI对话词汇游戏阅读练习