Security system
[计] 安全系统
🧩 词语组成解析
🗣️ 情景例句
Yes.
有。
Mother enjoys listening to that symphony.
母亲喜欢听那首交响乐。
No, Mrs Brown. Your son's trouble is very common these days. It happens all the time. It comes and goes very quickly. He'll get well soon.
是的，布朗太太。你儿子的毛病现在是极常见的，经常有的。它来得快，去得也快。他不久就会好的。