Philosophers' wool
un. 氧化锌
🧩 词语组成解析
wool
[wʊl]
n. 羊毛;羊毛制品;（幼虫的）毛;羊毛覆盖物;
🗣️ 情景例句
that will bring Dad and you
使你和爸爸
Who loses liberty loses all.
失去自由即失去一切。
Look at the picture.
看这幅图画。