Fourier sectrum
[计] 傅里叶谱
🧩 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
I know.
我知道。
My brother wants to learn how to sail a boat.
我的兄弟要去学操纵帆船。
The factory has been there for several years.
这家工厂在那儿已有好几年了。