Alum rock
[机] 明矾岩
🧩 词语组成解析
n. 明矾, 矾, 校友\\n[化] 明矾; 钾铝明矾
rock
[rɑk]
n. 岩石，石头;摇滚乐;棒糖;<非正式>宝石（尤指钻石）;
v. 摇晃;摇动;震动;
vi. 演奏摇滚乐;随摇滚乐起舞;
🗣️ 情景例句
He seems to be getting on very well at school.
他在学校似乎过得很好。
Could you give me an indication of the price?
您能提供一个参考价吗？
'If the money was not paid promptly,
如果交款不及时，