Recovered acid
[化] 回收酸; 再生酸
🧩 词语组成解析
v. 重新获得；恢复（recover的过去分词）
🗣️ 情景例句
How is he making out in his job now?
他的工作进展如何？
I haven't seen you for age. You haven't been sick, have you?
好久不见。你不是病了吧？
I don't know. My head hurts.
不知道。我头痛。