Philosopher's wool
[化] 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
and Mom has all these committees she's on.
妈妈又有那么多的小组会议要开。
Need makes the old wife trot.
人急造反，狗急跳墙。（事急老妪跑。）
That one is only 90 fen. That's cheap.
那支笔只有九毛钱，很便宜。