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
Thanks a lot for having us.
真感谢你邀请我们来。
Let difficulties occur but not the loss of courage.
纵使困难重重，也不丧失勇气。
It certainly is.He'll be her sixth husband!
当然啦。他将是她的第6个丈夫！