Doppio
（音乐术语）成倍，双重
🗣️ 情景例句
All students without exception must take the English examination.
所有学生毫无例外地都必须参加英语考试。
You'd better give us a rough idea of your price.
您最好给我们一个粗略的价格。
Glad to hear that.
太好了