alarm

闹钟；警报，警告器；惊慌英释nna piece of equipment that makes a loud noise to warn you of danger

警告；使惊恐英释vvIf something alarms you, it makes you afraid or anxious that something unpleasant or dangerous might happen

1 alarm system,报警系统

2 fire alarm,火警；火警警报器

3 alarm clock,闹钟

4 false alarm,假警报；引起一场空喜欢的人

5 burglar alarm,防窃报警器；防盗自动警铃

6 fire alarm system,火警信号系统；消防警报系统

7 alarm bell,警钟；警铃

8 anti-theft alarm,防盗警报系统

9 false alarm rate,火灾误报率；误警率；虚率

10 alarm signal,警报信号

11 alarm device,报警装置；告警装置

12 gas alarm,气体信号装置；瓦斯报警器；毒气警报

13 alarm equipment,报警器，报警信号装置；防盗报警设备

14 ring the alarm,拉警报，敲警钟

15 burglar alarm system,防盗警钟系统

16 automatic fire alarm system,火灾自动报警系统

17 alarm circuit,报警电路

18 smoke alarm,烟雾报警器

19 in alarm,惊慌，担心

20 alarm message,报警信息

1 I forgot to set the burglar alarm..我忘记打开防盗警报器了。

2 Car alarms are always going off in the street..街上总有汽车警报器在响。

3 a sophisticated alarm system.精密的警报系统

4 We could not see what had alarmed him..我们不明白是什么吓着他了。