Aluminas
(alumina 的复数) n. 矾土\\n[化] 矾土; 氧化铝
🗣️ 情景例句
I plan to get help
我打算争取
I am very content with my life at present.
我很满足目前的生活。
I'm not sure whether I have locked the door.
我没把握是否锁了门。