alarm/əˈlɑːm/n. 闹钟,恐慌,警报;警报器;vt. 使惊恐,使害怕
一、单词记忆
要记忆这个单词,我们首先复习一个初中就学过的单词,arm,名词,“手臂”的意思。arm这个单词还有“武器”的意思,动物的手臂就是他们最致命的武器。我们在arm前面加上al,这里al就相当于all,“全部的”,所以alarm这个单词就是叫所有人拿起武器,这个就是“警报”的意思。
二、单词用法
1.n. 闹钟,恐慌,警报;警报器
常见搭配:
alarm clock:闹钟
fire alarm:火警
ring the alarm:敲警钟
sound the alarm:发警报
[巩固练习]翻译句子
1.妈妈将闹钟设为每六小时响一次,提醒自己该给宝宝量体温了。(reminder)
答案:Mom sets the alarm clock ringing every six hours as a reminder to take her baby's temperature.
2.一旦火警警报器拉响,所有的居民都要求在院子里集合。
Once the fire alarm is sounded, all the residents are required to assemble in the courtyard.
2.vt. 使惊恐,使害怕
They were alarmed by a sudden air attack.
突然空袭使他们大为惊恐。
三、拓展
1.alarmed/əˈlɑːmd/adj.担忧的,惊恐的;有警报装置的(通常修饰人)
His brother was alarmed at the robbery.
他的哥哥遭到抢劫,惊恐万状。
2.alarming/əˈlɑːmɪŋ/adj.令人担忧的,令人恐惧的(通常修饰物)
The situation was alarming.
当时处境危急。
[巩固练习]语法填空
1. ______(alarm) by the noise,the birds flew away in all directions.
答案:Alarmed
句意:鸟被噪音吓到了,向四面八方飞去。
2.The rainforests are disappearing at an/a ______(alarm)rate.
答案:alarming
句意:雨林正以惊人的速度消失。