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
About forty minutes, I think.
我想大约40分钟。
I've had no time to prepare for this meeting, so I'll have to play it by ear.
我没有时间来准备这次会议，所以只好有什么说什么。
'Hi, Elizabeth,' Nigel answered.
“你好，伊丽莎白，”奈杰尔回答说，