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

携带手提行李的乘客可以直接到登机口办理登机手续。

《柯林斯英汉双解大词典》

The solution offers features including mobile check-in, mobile boarding passes, flight and gate status updates, frequent flyer account access, and special fares and offers.

该方案提供了众多功能，包括手机值机、手机登机牌、航班和登机口状态更新、常旅客账户接入和特价机票显示。

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Rosy: I have to check the terrace gate.

我要去检查一下阳台门。

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Air travel has become increasingly annoying and enervating: delayed flights, more restrictive rules on the size of carry-ons (anything bigger than a wallet may force a gate check), delayed or lost luggage, long check-in lines, etc.

FORBES: Fact and Comment

Just over an hour after that first security check the departure gate opened.

BBC: reporter Colette Hume boards plane with aerosol can

Prosecutors said the gate agent saw the defendant sitting in the jump seat behind the pilot and told him that if he was going to sit there he would have to go back to the check-in gate to complete paperwork and verifications.

NPR: New Charges For Man Accused Of Impersonating Pilot