Polyprotic acid
[化] 多元酸
🧩 词语组成解析
🗣️ 情景例句
She's doing fine, thank you.
她很好，谢谢你。
It's been a long time.
好久不见了。
Harry used to consider it a great joke to go into expensive cosmetic shops and make outrageous requests for goods that do not exist.
哈里曾认为走进一家名贵化妆品商店，荒唐地提出要买一种根本不存在的商品是件开心的事儿。