Verofylline
二氢二甲基甲丁基嘌呤二酮
🗣️ 情景例句
How does that look, Rob?
看起来怎么样，Rob？
Do you have an appointment?
你有预约吗？
That sounds very interesting. How long will it take you to collect enough money?
听起来倒是挺有趣的。你要花多长时间才能筹集到足够的资金呢？