Oxypurine
羟基嘌呤
🗣️ 情景例句
OK, here are the walnuts.
嗯， 核桃在这 。
He who hath good health is young,and he is rich who owes nothing.
健康葆青春，无债即富有。
The deepest holes of all are made for oil, and they go down to as much as 25,000 feet.
在所有洞穴中，为寻找石油所钻的洞是最深的，这些洞可深达25，000英尺。