Verofylline
二氢二甲基甲丁基嘌呤二酮
🗣️ 情景例句
Keep a small English dictionary with you at all time.
随身携带一本小英文字典。
If you can find another pair of tickets we'll have enough for a dozen people.
如果你能再找到两张，我们就可以有十二个人去了。
No, it's open. It closes at six.
不，还没关。六点才关门。