你知道办理登机手续的时间吗？

Do you know your check-in time?

《牛津词典》

携带手提行李的乘客可以直接到登机口办理登机手续。

Passengers with hand luggage can go straight to the departure gate to check in there.

《柯林斯英汉双解大词典》

请在起飞前半小时办理登机手续。

Please check in half an hour prior to departure.

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