Rfid
abbr. 无线射频识别（radio frequency identification devices）
🗣️ 情景例句
I know.
我知道。
I have due cause to do so.
我有充分的理由这么做。
We informed him that the fissure extended for fifty years and was tow feet wide and four feet deep.
我们告诉他那个大裂缝长50码，宽2英尺，深4英尺。