| 释义 |
alarm system短语¹⁸⁷¹¹
基本英英近义反义例句Thesaurus
警报系统; 报警器
安全防范
Noun:
a device that signals the occurrence of some undesirable event近义词 alarm警报warning device报警装置
We installed analarm systemto forestall break-in.我们安装了一套警报系统来预防小偷的闯入。
Fire detection andalarm systemannunciator unit.火灾探测和警报系统通知器单位。
The smoke activated the fire alarm.烟雾了触发了火警报警器。
When the alarm went off the thieves ran away.报警器响了，窃贼吓跑了。as in.burglar alarm
同义词 warning device
burglar alarmnoun security system
warning device |