Methylxanthine
[医] 甲基黄嘌呤, 杂黄嘌呤
🗣️ 情景例句
Please call me Mary. That's my first name.
请叫我玛丽吧，那是我的名字。
Did you sell it to him yourself?
你自己亲自卖给他吗？
People said gold could easily be picked up by washing sand from the river in a pan of water.
据说，在一盆水里淘洗可沙就很容易找到金子。