Methylxanthines
(methylxanthine 的第三人称 -s形式) [医] 甲基黄嘌呤, 杂黄嘌呤
🗣️ 情景例句
What time is it, anyway?
几点钟了， 顺便说一声。
OK. We have a nonstop flight leaving Kennedy at 9:25.
好的。9点25分有一趟直达班机，从肯尼迪国际机场起飞。
Mr Shute was a farm worker, and he didn't have much money.
舒特先生是个农场工人，他挣不到很多钱。