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
We need a man who knows the ropes.
我们需要位内行人士。
How should I say this?
这该怎么说呢？
A farm worker, who stayed up all night claimed to have seen a figure cutting corn in the moonlight.
有一个彻夜未眠的雇工还声称他看见一个人影在月光下收割庄稼。