Submodulation
副调制
🗣️ 情景例句
How long will this letter take to get there?
这封信需要多长时间到那儿？
To knit a scarf for her sweetheart
替她的情人织围巾
but would you mind coming with me to the station?'
但请您跟我到警察局去一趟好吗？”