Rfwf
abbr. radio frequency waveform 射频波形
🗣️ 情景例句
Please accept these gifts with my thanks.
请接受这些礼物以表达我的谢意。
Obedience is the first duty of a soldier.
服从是军人的第一职责。
Following in his father's footsteps many years later, Sir Malcolm's son, Donald, also set up a world record.
很多年之后，马尔科姆爵士的儿子唐纳德踏着父亲的足迹，也创造了一项世界纪录。