Sca
abbr. 美国科学俱乐部联合会（Science Clubs of America）
🗣️ 情景例句
I had a busy day. I'm done.
我今天很忙，现在精疲力尽。
What's all this noise?
这可怕的声音是什么？
We enjoyed ourselves very much!
谢谢你邀请我们作客。我们过得非常愉快！