Hydropyrophosphate
焦磷酸氢盐, 酸式焦磷酸盐
🗣️ 情景例句
Good afternoon. What's the trouble?
下午好。有什么不舒服吗？
Does the back door have a lock on it?
后门上有锁吗？
Let's go to the first island.
我们到第一个岛上去吧。