单词翻译：alert

中文含义：警报，警惕的，机警的

英语词性：adj., n., v.

美式发音：əˈlɜrt

同义词：warning, notification, vigilant, watchful

易混淆单词：alarm, caution, aware, conscious

双语例句：

1. The security team issued an alert to all employees about the recent cyber attack.

安保团队向所有员工发布了一份关于最近网络攻击的警报。

2. The guard dog barked alertly as a stranger approached the house.

陌生人接近房子时，看门狗警觉地叫起来。