事先预约
pre-appointment
以上为机器翻译结果，长、整句建议使用 人工翻译 。
您事先预约了吗？
Do You Have an Appointment?
youdao
候诊室里有一个病人。她患牙痛。她没有事先预约。
Doctor Smith, a patient is in the waiting room. She has a toothache. She doesn't have an appointment.
还算便宜吧，我和朋友们去过几次，不过都要事先预约的。
It was cheap, and I have been to a few friends, but have reservations in advance.
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