Methylxanthine
[医] 甲基黄嘌呤, 杂黄嘌呤
🗣️ 情景例句
when she was running for the school board.
在妈妈竞选联合校董会席次时。
He felt his work was not as fulfilling as it could be.
他感觉他的工作并无法使他感到满足。
I'll tell you something that does sound strange.
我还可以告诉你一件听起来确实奇怪的事情。