Xanthine
n. 黄质, 黄嘌呤\\n[化] 黄嘌呤
🗣️ 情景例句
When you start discussing politics, I'm completely out of my depth.
你们一谈论政治，我就一窍不通了。
I'm too slow.
我太慢。
Good morning. Could I have some bottles of milk, please?
早上好。我想买几瓶牛奶？