Activated alumina
[化] 活性矾土; 活性铝土
🧩 词语组成解析
activated
['æktiveitid]
adj. 有活性的;
v. 使活动，起动，触发( activate的过去式和过去分词 );
n. 矾土\\n[化] 矾土; 氧化铝
🗣️ 情景例句
Yes, I am.
是的。
He who fears being conquered is sure of defeat.
怕吃败仗的就要打败仗。
It can copy a long report and sort the copies and pin them together.
现它可以复印长篇的报告，把复印件分类，并装订起来。