Fourier integral
[计] 傅里叶积分
🧩 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
Why is that necessary?
为什么有此必要
We can't fly our kites any more because the wind has stopped.
由于风静止，所以已经没法放风筝了。
Excuse me. Where's the nearest post office, please?
请问，最近的邮局在哪儿？