Diprotic acid
[化] 二元酸
🧩 词语组成解析
双质子的
🗣️ 情景例句
That's alright. You're a lot of help.
没关系。你帮了很大的忙。
Can you keep an eye on my bag?
帮我看一下包好吗？
'Well,' I said to the manager, 'there is still some honesty in this world!'
“是啊，”我对那位经理说，“这世界上还是有诚实可言的！”