Alumina
n. 矾土\\n[化] 矾土; 氧化铝
🗣️ 情景例句
We talk about him at dinner time.
我们吃晚餐时总谈起他。
At this time of the year farmers plow their fields.
在一年这时候农夫们耕作他们的土地。
The young man did not wake up until the bed had struck the ground.
那年轻人直到床撞到地上才醒了过来。