Hydropyrophosphate
焦磷酸氢盐, 酸式焦磷酸盐
🗣️ 情景例句
So you will have dinner?
那么 你要吃晚饭喽？
Is this seat taken?
这位子有人坐吗？
He waited until the volcano became quiet and he was able to return two days later.
他等到火山平静下来，两天以后又返回去。