Polyprotonic acid
[化] 多元酸
🧩 词语组成解析
🗣️ 情景例句
We'll set up our tents over there by the edge of the woods.
我们在林边搭帐蓬。
A disease known is half cured.
病情确诊断，治病好一半。
Last August. We had a lovely holiday, one of the best ever.
去年8月。我们度过了一个令人愉快的假日，也是有史以来最愉快的假日之一。