Polyprotonic acid
[化] 多元酸
🧩 词语组成解析
🗣️ 情景例句
OK.
好。
Isn't that great?
你不是很好吗？
When he had killed the guard, the prisoner of war quickly dragged him into the bushes.
那个战俘杀死卫兵以后，迅速地把尸体拖进了灌木丛。