Prolog
n. 序言, 序幕, 开场白, 序诗, (喻)开端
✅ 同义词
🗣️ 情景例句
You need to complete some forms before the class.
上课之前你得填一些表格。
Who is this?I don't recognize your voice.
你是谁?我不认出你的声音。
Never mind. So now you know what you should do.
不要紧。好了，现在你知道该怎么做了吧。