🧩 词语组成解析
n. 欢呼者；用欢呼声激励者
upper
['ʌpə]
adj. 地位较高的;上面的;内地的;地表层的;
n. 鞋帮，靴面;兴奋剂;令人兴奋的经历;
🗣️ 情景例句
Yes. I'll hold. He's checking. You do?
好， 我会等。他正在查。真的有了？
I wasn't serious, I meant it as a joke.
我并非有意，我只是开个玩笑而已。
You've done very well. It's a pity you missed the sports meeting last week.
你学得不错嘛。很可惜，你错过了上周的运动会。