Tapered royalty
[经] 递减矿区使费用
🧩 词语组成解析
a. 锥形的, 尖削的, 渐缩的
🗣️ 情景例句
Oh, five or six years ago.
哦，五六年前。
Through his experiences during those six years.
在这六年中。
A simple experiment will help us a little further.
再做一个简单的实验可以帮助我们进一步理解这个问题。