Upper volta
上沃尔塔（布基纳法索旧称, 非洲国家）
🧩 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;
[电] 伏打
🗣️ 情景例句
What's wrong with wanting to be on the school board?
想进入联合校董会有什么错？
Why are you talking so far?
你为什么说得这样快？
At that time he had two helpers.
那时他有两个帮手。