Polyprotonic acid
[化] 多元酸
🧩 词语组成解析
🗣️ 情景例句
I wonder how he is making out in his new job.
不知他新工作做得怎么样。
A man without a friend is only half a man.
无友的人只能算半个人。
Among tribal people all knowledge inherited by tradition is shared by all;
在部落中，通过传统继承的知识为所有人共享，