Vilan
[医]二烟酰吗啡（麻醉性镇痛药）
🗣️ 情景例句
How come she hates birds?
她为何讨厌鸟？
They don't know when the wedding will be.
他们不知道婚礼将是什么时候。
I bought two expensive dictionaries here half and hour ago, but I forgot to take them with me.
半小时以前我在这里买了两本很贵的辞典，但是我忘了拿走。