Riemann integral
[数] 黎曼积分
🧩 词语组成解析
n. 黎曼（德国数学家）
🗣️ 情景例句
we would like to have our investments returned as early and safely as possible.
我们总想尽早而又安全地收回我们的投资。
Improve your time and your time will improve you.
珍惜时间，时间才会珍惜你。
CONGRATULATIONS!
祝贺你们！