Active alumine
[医] 活性氧化铝
🧩 词语组成解析
active
['æktiv]
adj. 积极的，活跃的，有生气的;迅速的，敏捷的;有效的，起作用的;
n. [语法]主动语态;积极分子，活跃的人;
[医] 氧化铝
🗣️ 情景例句
Who jammed the photocopier, again?
谁又把复印机卡住了？
What we learn with pleasure we never forget.
乐意学的东西决不会忘记。
It was upon this principle that the first instruments were made,
据这一原理，制造出了最初的地震仪器，