Ubelin
胞胆碱, 胞二胆磷碱
🗣️ 情景例句
I tried to teach my kids the importance of independence,
我总是告诫孩子们独立的重要。
Please don't bother. Thank you just the same.
请不要麻烦了，谢谢。
Do you have an appointment?
您约好了吗？