Dioxopurine
黄嘌呤
🗣️ 情景例句
Mike and I had a hamburger this afternoon, and we talked.
今天下午 Mike和我一起吃汉堡， 一起讨论。
I didn't read the whole paper, front page.
我没有看到报纸的全部，我只是大概看了头版。
I had no sooner got off the ship than I was assailed by a man who wanted to sell me a diamond ring.
我刚下船，就被一个人截住，他向我兜售一枚钻石戒指。