upside-down的解释
形容词颠倒的; 乱七八糟的; 混乱的
副词颠倒; 乱七八糟; 混乱
形容词
1. After her children went to bed, the mother turned the upside-down house back to normal.
孩子们睡觉后，母亲把混乱的屋子重新整理好。
adj
1. being in such a position that top and bottom are reversed
e.g. a quotation mark is sometimes called an inverted comma
an upside-down cake
Synonym: inverted