Qam
n. 正交调幅
🗣️ 情景例句
I have a ticket, I know.
我知道我有车票。
What were you doing when I called you on the telephone?
当我打电话给了你时，你正在做什么？
A detective recently watched a well-dressed woman who always went into a large store on Monday mornings.
一名侦探最近注意上了一位穿着讲究的妇女，她总是在星期一上午进入一家大商场。