剑桥词典to promise the same room , seat , ticket , etc. to more than one person or group 同一房間（或座位、票等）被預訂給多人，多重預訂 The room was double-booked so they had to give us a different one. 這個房間被重複預訂，他們必須給我們另找一個房間。 返回 double-book