🧩 词语组成解析
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;
jawbone
[dʒɔ:'bəun]
n. 下颌骨;
adv. <美俚>凭信用地;
🗣️ 情景例句
Collecting matchsticks was fun, until that fateful day one of them caught alight.
收集火柴是一种乐趣，除非一天其中一根火柴不幸燃烧起来。
It's my pleasure.
这是我的荣幸。
I'm sorry, but this week isn't very convenient for me.
对不起，这个星期我都不方便。