Edogenous purines
[医] 内原性嘌呤
🧩 词语组成解析
(purine 的复数) n. 嘌呤\\n[化] 嘌呤
🗣️ 情景例句
Dear Mr. Billet.
尊敬的比利先生。
You have a radio,don't you?
你有一台收音机，对吗？
Their parents usually tell them that Father Christmas will come during the night.
他们的父亲通常告诉他们，夜间圣诞老人会来的。