Methoxyprophylline
美索茶碱
🗣️ 情景例句
How long is this flight?
这趟飞行有多长时间？
I assure you.
我向你保证。
Half past four. Don't forget to tell Jim. I hope he can come too.
4：30。别忘记告诉吉姆。我希望他也能来。