Security system
[计] 安全系统
🧩 词语组成解析
🗣️ 情景例句
Well, I almost had a heart attack a few moments ago.
好啦，我几乎要得心脏病了。
I ate stream fish for lunch yesterday.
我昨天午饭吃的是清蒸鱼。
In a few years the small workshop had become a large factory which employed seven hundred and twenty-eight people.
几年之后，小铺子已经发展成了一个雇有728人的大工厂。