Wofatit
离子交换树脂
🗣️ 情景例句
The name is Stewart, Richard Stewart.
失主是Stewart Richard Stewart。
Thank you for your inquiry. Please tell us the quantity you require so that we can work out the offers.
感谢贵方询价。请告诉我们贵方所需数量以便我方报价。
What about some steak?This is a nice piece.
来点牛排吗？这块很好。