Flavacridin
吖啶黄
🗣️ 情景例句
What kind of payment terms can you offer?
您要什么样的付款方式？
When you're learning to drive, having a good teacher makes all the difference.
初学驾驶有好的教师指导，差别很大。
The sense of humour is mysteriously bound up with national characteristics.
幽默感与民族有着神秘莫测的联系。