Methylxanthines
(methylxanthine 的第三人称 -s形式) [医] 甲基黄嘌呤, 杂黄嘌呤
🗣️ 情景例句
May I talk to you about something that's bothering me?
我能和你谈一件让我挺烦心的事吗？
Would anyone like seconds?
谁要换其他的饮料？
The village seemed deserted, the only sign of life being an ugly-looking black goat on a short length of rope tied to a tree in a field nearby.
村里似乎无人居住，唯一的生命迹象是附近田里一只面目可憎的黑山羊，用一截短绳拴在一棵树上。