🧩 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
I thought you wanted to go to Columbia.
我还以为你只想上Columbia大学。
I ask him to stay at school.
我要求他待在学校。
Oh, hello. Could I speak to Ann, please?
噢，喂。请安接电话好吗？