Ofdm
abbr. 正交频分多路复用技术（Orthogonal Frequency Division Multiplexing）
🗣️ 情景例句
You should have seen the look on his face
真该看看他脸上的表情
You haven't been around much lately,have you?
你近来不大出来走动了，是吧？
Excuse the mess, Sam.This room's very untidy.
屋子很乱，请原谅，萨姆。