Rfid
abbr. 无线射频识别（radio frequency identification devices）
🗣️ 情景例句
How long does it take?
要花多久时间？
It is a silly goose that comes to the fox's sermon.
只有呆鹅才去听狐狸说教。
He does exercises every day in the morning.
他每天早上锻练身体。