Perphosphate
过磷酸盐
🗣️ 情景例句
What's the nature of the problem?
是什么样的问题？
That's international practice. We can't break it.
这是国际惯例，我们不能违背。
Could you tell me some more about your market analysis?
请你多告诉我一些你们的市场分析好吗？