🧩 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;
🗣️ 情景例句
We urgently need to establish our own credit system.
我们期待建立我们自己的信用机制。
My wife and I still remember the first day we arrived in Beijing.
我太太和我仍然记得到北京的第一天。
He discovered that there was a group in the east of the country that shared the same family name - Kinte.
他发现在该国的东部有一个家族都姓肯特。