引言:
一些发布会错觉~~
![](http://image.uc.cn/s/wemedia/s/upload/2024/3528aede0e8152678051769b2e7082f1.png)
alumnus /əˈlʌmnəs/
1
N-COUNT 校友;毕业生
The alumni of a school, college, or university are the people who used to be students there.
alumni /əˈlʌmnaɪ/ (alumnus的复数)
Harvard Alumni Association
哈佛大学校友会
![](http://image.uc.cn/s/wemedia/s/upload/2024/de1bed50c69a160a2ed2eafb5164699c.jpg)
美 aluminum /əˈlumənəm/ 英 aluminium
noun
[U] (symb Al) 铝
a chemical element. Aluminum is a light, silver-grey metal used for making pans, etc.
aluminum saucepans/window frames
铝锅 / 窗框
aluminum foil (= for example, for wrapping food in )
铝箔(如用于包裹食物)
![](http://image.uc.cn/s/wemedia/s/upload/2024/73a097910093ff5dad48590272c0c332.png)
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