Aluminas
(alumina 的复数) n. 矾土\\n[化] 矾土; 氧化铝
🗣️ 情景例句
I could tell something was up by the look on their faces.
我一看他们的脸色就知道有事。
I can't believe his story.
我无法相信他的说法。
Very disappointing.
非常令人失望。