Spherical harmonics
[电] 球函数
🧩 词语组成解析
n. 乐音学
🗣️ 情景例句
Never go swimming on a full stomach.
吃饱饭后不要游泳。
I informed her mother of her safe arrival.
我通知她母亲她已经平安抵达。
The further off this solid obstruction, the longer time will elapse for the return of the echo.
固体障碍物越远。回声返回所用时间就越长。