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
The rural workforce has been flowing in to the cities ever since the open door policy was adopted.
自从改革开放政策实施以来，农付劳动力正不断流向城市。
It is better to do well than to say well.
理论好不如实际好。
Twenty year!That's long time.
20年！这个时间可不短。