Xanthine
n. 黄质, 黄嘌呤\\n[化] 黄嘌呤
🗣️ 情景例句
I was when I first came to the United States.
当我刚到美国来的时候是感到有点紧张。
Let us talk about it at our leisure.
那件事我们有空再谈吧。
As you know, I am a very kind person.
你知道，我是个很和善的人。