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alarm

[əˈlɑ:m][əˈlɑ:rm]
n.惊恐;警报;闹铃;动员令
vt.使惊恐;警告;给(门等)安装警报器
网络警报;报警;警报器;惊动
词形变化:
复数alarms   复数alarmed   复数alarmed   复数alarming   复数alarms  
派生词: alarmingly  
双语例句 同反义词 更多资料

1 . Any escape, once it's detected, sets off the alarm .

一旦发现有泄漏,警报就会响起来。

来自柯林斯例句

2 . He returned to the airport to find his car alarm going off.

他回到机场时听到自己的汽车报警器响了。

来自柯林斯例句

3 . He expressed alarm about the government's increasingly bellicose statements.

他对政府越来越具挑衅性的声明表示担忧。

来自柯林斯例句

4 . This has set the alarm bells ringing in Moscow.

这已给莫斯科拉响了警报。

来自柯林斯例句

5 . An alarm links the police station to the divisional headquarters.

在部门总部和警察局之间连有警报器。

来自柯林斯例句

英英释义 行业释义 网络释义
noun

1.fear resulting from the awareness of danger

2.a device that signals the occurrence of some undesirable event

3.an automatic signal (usually a sound) warning of danger

4.a clock that wakes sleeper at preset time

vern

1.fill with apprehension or alarm; cause to be unpleasantly surprised;

I was horrified at the thought of being late for my interview

2.warn or arouse to a sense of danger or call to a state of preparedness;

The empty house alarmed him

百科

Linux C alarm函数 alarm也称为闹钟函数,它可以在进程中设置一个定时器,当定时器指定的时间到时,它向进程发送SIGALRM信号。要注意的是,一个进程只能有一个闹钟时间,如果在调用alarm之前已设置过闹钟时间,则任何以前的闹钟时间都被新值所代替。需要注意的是,经过指定的秒数后,信号由内核产生,由于进程调度的延迟,所以进程得到控制从而能够处理该信号还需要一些时间。 如果有以前为进程登记的尚未超时的闹钟时钟,而且本