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
Don't tell any one,
别告诉别人，
He failed the examination but he didn't seem to care.
他考试不及格却似乎并不在乎。
What a great teacher!
多么高尚的老师！