🧩 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
Please accept my sincere apology.
请接受我诚心诚意的道歉。
Many new ideas are discovered during college years.
大部分崭新的观念都产生于大学时代。
Fortunately, nothing was found and five hours later we were able to take off again.
幸运的是，什么也没有找到。5个小时后，我们又起飞了。