Fourier series
[计] 傅里叶级数
🧩 词语组成解析
n. 傅立叶（姓氏）；傅里叶（法国空想社会主义者, 社会改革家）
🗣️ 情景例句
How about today?
今天怎么样？
Never trust of fine words.
切勿轻信漂亮的言词。
how many heath fires they cause, how much litter they leave, in short,
即他们引起了多少场野火，留下了多少垃圾。总之，