clicker是什么意思

n.鞋匠工头,排字工头,站店外招徕顾客者

1. She used a clicker to train her dog to perform tricks.
她用点击器训练她的狗做特技。

2. The teacher used a clicker to keep track of attendance.
老师使用点击器来记录出勤情况。

点击器；按键器；点击器的声响。