Rfid
abbr. 无线射频识别（radio frequency identification devices）
🗣️ 情景例句
Don't walk on the grass or you'll be in trouble with the law.
不要踏进草地，不然的话法律会找你麻烦的。
I guess I've outgrown this pair of trousers.
我想这条裤子对我来说小了。
After they had entered the house, they went into the dining room.
他们进到屋里后，走进了饭厅。