Pma
[化] 均苯四酸
🗣️ 情景例句
You don't know what you are talking about.
你不知道你在说什么。
Where is the telephone office?
电话局在什么地方？
The captain knew that another attempt would be made later, for the sunken ship he was trying to find had been carrying a precious cargo of gold bullion.
船长知道日后还会再作尝试，因为他试图寻找的沉船上载有一批珍贵的金条。