Activated aluminium oxide
[化] 活性氧化铝
🧩 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 );
oxide
['ɑksaɪd]
n. [化]氧化物;
🗣️ 情景例句
Oh. I have the key. Grandpa sent it to me.
啊。钥匙在这里。爷爷寄来给我的。
Why are you walking so far?
你为什么走得这样快？
Yesterday morning she came into class as usual.
昨天早上，她像往常那样走进教室。