Alum shale
[化] 明矾页岩
🧩 词语组成解析
n. 明矾, 矾, 校友\\n[化] 明矾; 钾铝明矾
shale
[[ʃeil]]
n. 页岩
🗣️ 情景例句
Hello.
您好。
Let's go out for a drive.
兜风去。
But I was extremely pleased with myself.
但我却非常高兴，