Harmonic series
[计] 调和级数
🧩 词语组成解析
harmonic
[hɑ:'mɔnik]
adj. [乐]和声的，悦耳的;[物]谐波的;和睦的，融洽的;[数]调和的;
n. [物] 谐波;[乐]泛音，和声;[数]谐函数，调和函数;
🗣️ 情景例句
The expressway can lead you everywhere around this region.
高速公路能把你带到这个地区的任何地方。
It's nothing. Don't mention it.
区区小事，何足挂齿。
Nice talking to you.
很高兴与你聊天。