🧩 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
Have you ever been there?
你去过那儿吗？
Would you call Miss Shen to the telephone?
请你叫沈小姐来接电话好吗？
If we remain inveterate smokers, it is only because we have so often experienced the frustration that results from failure.
如果我们烟瘾大，戒不掉，那是因为屡戒屡败，失去信心。