Methylxanthines
(methylxanthine 的第三人称 -s形式) [医] 甲基黄嘌呤, 杂黄嘌呤
🗣️ 情景例句
We're having a good time, and they're in good hands.
我们玩得痛快，他们也得到很好的照顾。
No. I have been away on vacation.
是呀，我休假去了。
Getting ready for Ann's party
准备安的生日。