Returned acid
[化] 回流酸
🧩 词语组成解析
returned
[ri'tə:nd]
adj. 被送回的，归来的;
v. 返回，回来( return的过去式和过去分词 );恢复;还;归还;
🗣️ 情景例句
About what?
关于什么
He who is afraid of asking is ashamed of learning.
害怕问者耻于学。
Oh dear! I must go. Have a good day!
哎呀！我得走了，再见。