Polyprotonic acid
[化] 多元酸
🧩 词语组成解析
🗣️ 情景例句
And don't forget to invite Susan for dinner.
别忘了请Susan来吃晚餐。
The pressuer of work was too great for him.
工作压力使他承受不了。
French test are awful, aren't they?
法语太可怕了，你说呢？