tag

1. N-COUNT A tag is a small piece of card or cloth which is attached to an object or person and has information about that object or person on it. 標簽

Staff wore name tags and called inmates by their first names. 工作人員戴著姓名標簽，對同僚直呼其名。

2. →see also price tag

3. N-COUNT An electronic tag is a device that is firmly attached to someone or something and sets off an alarm if that person or thing moves away or is removed. (電子) 跟蹤器

Ranchers are testing electronic tags on animals' ears to create a national cattle-tracking system. 牧場主正在檢測動物耳朵上的跟蹤器，以建立一個全國性的家畜跟蹤系統。

4. N-UNCOUNT Tag is a children's game where one child runs to touch or tag the others. (兒童玩的) 觸碰捉人遊戯

5. V-T If you tag something, you attach something to it or mark it so that it can be identified later. 給…貼標簽

Professor Orr has developed interesting ways of tagging chemical molecules using existing laboratory lasers. 奧爾教授已經研發出了用現有的實騐室激光給化學分子貼標簽的有趣方法。