美国留学选择什么专业好?留学美国热门专业推荐
2019-06-26
更新时间:2024-03-13 11:55作者:小编
英 [əˈlɜːt] 美 [əˈlɜːrt]
alert是一个名词,表示戒、报的意思,也可以作动词,表示使觉或者发出报。
1. The police were on alert for any suspicious activity in the area.
2. The alarm system will automatically alert the security company if there is a break-in.
3. The doctor advised her to stay alert for any changes in her condition.
4. The government issued an alert for potential flooding in low-lying areas.
5. I'll set an alert on my phone to remind me of the meeting tomorrow.
同义词及用法:
1. Vigilant (adj.) - 惕的、机敏的
The security guards are always vigilant, ready to respond to any potential threats.
2. Alarm (n.) - 报
The fire alarm went off and we had to evacuate the building immediately.
3. Watchful (adj.) - 惕的、留心的
Be watchful of your surroundings when walking alone at night.
4. Wakeful (adj.) - 觉的、不眠不休的
The mother stayed wakeful all night, taking care of her sick child.
5. Caution (n.) - 谨慎、小心
He gave a word of caution to his colleagues before they embarked on the dangerous mission.
alert是一个常用的词汇,既可以作名词也可以作动词,表示戒、报或者使觉。在日常生活中,我们经常会遇到这个词,比如在火灾、地震等紧急情况下,我们会听到“alert”这个词。除了作为名词和动词外,alert还可以作形容词,表示敏捷的、机敏的。在英语写作和口语中,使用alert能够让句子更加生动有力。因此,在学习英语的过程中,掌握好alert这个词的用法非常重要。