alertor
英
美
网络 警报信号; 报警器; 警报器
双语例句
- At present, all kinds of functions of the household anti-theft warning system are more and more perfect in the fixed place, but personal alertor outside for self-defense is seldom.
当前，固定场所的家居防盗、报警系统功能日益完善，而针对个人出门在外的防身报警器却较为少见。