Methylxanthine
[医] 甲基黄嘌呤, 杂黄嘌呤
🗣️ 情景例句
I bet I can go one hour in your class this morning and not feel a thing!
我打赌我今天上午到的健身班运动一小时之后丝毫不累。
The older the goose the harder to pluck.
越老越狡猾。
The other was much farther away from the hive.
另一个远离蜂箱。