Methylxanthine
[医] 甲基黄嘌呤, 杂黄嘌呤
🗣️ 情景例句
Please send me a post card.
记住给我寄名信片。
The magician completely amazed the audience.
魔术师的表演使观众目瞪口呆。
Then she had an idea.
后来她有了一个主意。