Polyprotonic acid
[化] 多元酸
🧩 词语组成解析
🗣️ 情景例句
Please. That sounds good.
听起来不错，请给我弄一杯。
The best (greatest) fish keep (swim near) the bottom.
好鱼游水底（指：有价值之物不能轻易得到）。
I told her that either I would have to buy a new mower or let the grass grow.
我告诉她，要么买一台新割草机，要么让草长下去。